Home / 534,738.72-737,869.20-319,800.36

Finding the Fourth Proportional to 534,738.72, 737,869.20 and 319,800.36

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Solution

The fourth proportional to 534,738.72, 737,869.20 and 319,800.36 is: 441,282.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,738.72 : 737,869.20 = 319,800.36 : x
  2. Step 2: Convert to fraction form
    534,738.72/737,869.20 = 319,800.36/x
  3. Step 3: Cross multiply
    534,738.72x = 737,869.20 × 319,800.36
  4. Step 4: Simplify right side
    534,738.72x = 235,970,835,792.91
  5. Step 5: Solve for x
    x = 235,970,835,792.91/534,738.72
  6. Step 6: Final answer
    x = 441,282.49

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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.