Home / 534,144.98-737,170.17-319,280.43

Finding the Fourth Proportional to 534,144.98, 737,170.17 and 319,280.43

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Solution

The fourth proportional to 534,144.98, 737,170.17 and 319,280.43 is: 440,636.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,144.98 : 737,170.17 = 319,280.43 : x
  2. Step 2: Convert to fraction form
    534,144.98/737,170.17 = 319,280.43/x
  3. Step 3: Cross multiply
    534,144.98x = 737,170.17 × 319,280.43
  4. Step 4: Simplify right side
    534,144.98x = 235,364,010,427.86
  5. Step 5: Solve for x
    x = 235,364,010,427.86/534,144.98
  6. Step 6: Final answer
    x = 440,636.94

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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.