Home / 399,256.83-598,279.28-292,711.73

Finding the Fourth Proportional to 399,256.83, 598,279.28 and 292,711.73

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Solution

The fourth proportional to 399,256.83, 598,279.28 and 292,711.73 is: 438,623.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,256.83 : 598,279.28 = 292,711.73 : x
  2. Step 2: Convert to fraction form
    399,256.83/598,279.28 = 292,711.73/x
  3. Step 3: Cross multiply
    399,256.83x = 598,279.28 × 292,711.73
  4. Step 4: Simplify right side
    399,256.83x = 175,123,358,617.00
  5. Step 5: Solve for x
    x = 175,123,358,617.00/399,256.83
  6. Step 6: Final answer
    x = 438,623.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.