Home / 525,943.15-725,801.78-284,225.65

Finding the Fourth Proportional to 525,943.15, 725,801.78 and 284,225.65

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Solution

The fourth proportional to 525,943.15, 725,801.78 and 284,225.65 is: 392,231.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,943.15 : 725,801.78 = 284,225.65 : x
  2. Step 2: Convert to fraction form
    525,943.15/725,801.78 = 284,225.65/x
  3. Step 3: Cross multiply
    525,943.15x = 725,801.78 × 284,225.65
  4. Step 4: Simplify right side
    525,943.15x = 206,291,482,691.66
  5. Step 5: Solve for x
    x = 206,291,482,691.66/525,943.15
  6. Step 6: Final answer
    x = 392,231.52

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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.