Home / 1,761,463.60-2,642,195.40-431,767.60

Finding the Fourth Proportional to 1,761,463.60, 2,642,195.40 and 431,767.60

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Solution

The fourth proportional to 1,761,463.60, 2,642,195.40 and 431,767.60 is: 647,651.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,761,463.60 : 2,642,195.40 = 431,767.60 : x
  2. Step 2: Convert to fraction form
    1,761,463.60/2,642,195.40 = 431,767.60/x
  3. Step 3: Cross multiply
    1,761,463.60x = 2,642,195.40 × 431,767.60
  4. Step 4: Simplify right side
    1,761,463.60x = 1,140,814,366,589.04
  5. Step 5: Solve for x
    x = 1,140,814,366,589.04/1,761,463.60
  6. Step 6: Final answer
    x = 647,651.40

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Half scale
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Double scale
Find fourth proportional to 1,761,464.60, 2,642,196.90 and 431,768.60
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.