Home / 526,721.09-726,869.65-284,998.33

Finding the Fourth Proportional to 526,721.09, 726,869.65 and 284,998.33

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Solution

The fourth proportional to 526,721.09, 726,869.65 and 284,998.33 is: 393,294.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,721.09 : 726,869.65 = 284,998.33 : x
  2. Step 2: Convert to fraction form
    526,721.09/726,869.65 = 284,998.33/x
  3. Step 3: Cross multiply
    526,721.09x = 726,869.65 × 284,998.33
  4. Step 4: Simplify right side
    526,721.09x = 207,156,631,318.35
  5. Step 5: Solve for x
    x = 207,156,631,318.35/526,721.09
  6. Step 6: Final answer
    x = 393,294.73

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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.