Home / 626,989.20-865,603.75-412,752.04

Finding the Fourth Proportional to 626,989.20, 865,603.75 and 412,752.04

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Solution

The fourth proportional to 626,989.20, 865,603.75 and 412,752.04 is: 569,833.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,989.20 : 865,603.75 = 412,752.04 : x
  2. Step 2: Convert to fraction form
    626,989.20/865,603.75 = 412,752.04/x
  3. Step 3: Cross multiply
    626,989.20x = 865,603.75 × 412,752.04
  4. Step 4: Simplify right side
    626,989.20x = 357,279,713,644.15
  5. Step 5: Solve for x
    x = 357,279,713,644.15/626,989.20
  6. Step 6: Final answer
    x = 569,833.92

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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.