Home / 534,781.20-737,927.88-319,842.84

Finding the Fourth Proportional to 534,781.20, 737,927.88 and 319,842.84

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Solution

The fourth proportional to 534,781.20, 737,927.88 and 319,842.84 is: 441,341.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,781.20 : 737,927.88 = 319,842.84 : x
  2. Step 2: Convert to fraction form
    534,781.20/737,927.88 = 319,842.84/x
  3. Step 3: Cross multiply
    534,781.20x = 737,927.88 × 319,842.84
  4. Step 4: Simplify right side
    534,781.20x = 236,020,948,854.38
  5. Step 5: Solve for x
    x = 236,020,948,854.38/534,781.20
  6. Step 6: Final answer
    x = 441,341.15

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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.