Home / 1,761,410.50-2,642,115.84-431,714.50

Finding the Fourth Proportional to 1,761,410.50, 2,642,115.84 and 431,714.50

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Solution

The fourth proportional to 1,761,410.50, 2,642,115.84 and 431,714.50 is: 647,571.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,761,410.50 : 2,642,115.84 = 431,714.50 : x
  2. Step 2: Convert to fraction form
    1,761,410.50/2,642,115.84 = 431,714.50/x
  3. Step 3: Cross multiply
    1,761,410.50x = 2,642,115.84 × 431,714.50
  4. Step 4: Simplify right side
    1,761,410.50x = 1,140,639,718,807.68
  5. Step 5: Solve for x
    x = 1,140,639,718,807.68/1,761,410.50
  6. Step 6: Final answer
    x = 647,571.77

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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.