Home / 391,248.63-539,925.35-230,110.47

Finding the Fourth Proportional to 391,248.63, 539,925.35 and 230,110.47

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Solution

The fourth proportional to 391,248.63, 539,925.35 and 230,110.47 is: 317,553.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,248.63 : 539,925.35 = 230,110.47 : x
  2. Step 2: Convert to fraction form
    391,248.63/539,925.35 = 230,110.47/x
  3. Step 3: Cross multiply
    391,248.63x = 539,925.35 × 230,110.47
  4. Step 4: Simplify right side
    391,248.63x = 124,242,474,902.86
  5. Step 5: Solve for x
    x = 124,242,474,902.86/391,248.63
  6. Step 6: Final answer
    x = 317,553.76

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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.