Home / 626,882.78-865,098.24-358,610.78

Finding the Fourth Proportional to 626,882.78, 865,098.24 and 358,610.78

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Solution

The fourth proportional to 626,882.78, 865,098.24 and 358,610.78 is: 494,882.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,882.78 : 865,098.24 = 358,610.78 : x
  2. Step 2: Convert to fraction form
    626,882.78/865,098.24 = 358,610.78/x
  3. Step 3: Cross multiply
    626,882.78x = 865,098.24 × 358,610.78
  4. Step 4: Simplify right side
    626,882.78x = 310,233,554,623.03
  5. Step 5: Solve for x
    x = 310,233,554,623.03/626,882.78
  6. Step 6: Final answer
    x = 494,882.88

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1.5x scale

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.