Home / 626,989.32-865,603.92-412,752.17

Finding the Fourth Proportional to 626,989.32, 865,603.92 and 412,752.17

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Solution

The fourth proportional to 626,989.32, 865,603.92 and 412,752.17 is: 569,834.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,989.32 : 865,603.92 = 412,752.17 : x
  2. Step 2: Convert to fraction form
    626,989.32/865,603.92 = 412,752.17/x
  3. Step 3: Cross multiply
    626,989.32x = 865,603.92 × 412,752.17
  4. Step 4: Simplify right side
    626,989.32x = 357,279,900,052.34
  5. Step 5: Solve for x
    x = 357,279,900,052.34/626,989.32
  6. Step 6: Final answer
    x = 569,834.11

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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.