Home / 1,761,409.50-2,642,114.34-431,713.50

Finding the Fourth Proportional to 1,761,409.50, 2,642,114.34 and 431,713.50

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Solution

The fourth proportional to 1,761,409.50, 2,642,114.34 and 431,713.50 is: 647,570.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,761,409.50 : 2,642,114.34 = 431,713.50 : x
  2. Step 2: Convert to fraction form
    1,761,409.50/2,642,114.34 = 431,713.50/x
  3. Step 3: Cross multiply
    1,761,409.50x = 2,642,114.34 × 431,713.50
  4. Step 4: Simplify right side
    1,761,409.50x = 1,140,636,429,121.59
  5. Step 5: Solve for x
    x = 1,140,636,429,121.59/1,761,409.50
  6. Step 6: Final answer
    x = 647,570.27

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Double scale
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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.