Home / 1,057,500.39-1,459,375.20-627,782.16

Finding the Fourth Proportional to 1,057,500.39, 1,459,375.20 and 627,782.16

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Solution

The fourth proportional to 1,057,500.39, 1,459,375.20 and 627,782.16 is: 866,354.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,500.39 : 1,459,375.20 = 627,782.16 : x
  2. Step 2: Convert to fraction form
    1,057,500.39/1,459,375.20 = 627,782.16/x
  3. Step 3: Cross multiply
    1,057,500.39x = 1,459,375.20 × 627,782.16
  4. Step 4: Simplify right side
    1,057,500.39x = 916,169,715,306.43
  5. Step 5: Solve for x
    x = 916,169,715,306.43/1,057,500.39
  6. Step 6: Final answer
    x = 866,354.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.