Home / 415,157.85-572,972.27-233,904.78

Finding the Fourth Proportional to 415,157.85, 572,972.27 and 233,904.78

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Solution

The fourth proportional to 415,157.85, 572,972.27 and 233,904.78 is: 322,819.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,157.85 : 572,972.27 = 233,904.78 : x
  2. Step 2: Convert to fraction form
    415,157.85/572,972.27 = 233,904.78/x
  3. Step 3: Cross multiply
    415,157.85x = 572,972.27 × 233,904.78
  4. Step 4: Simplify right side
    415,157.85x = 134,020,951,590.93
  5. Step 5: Solve for x
    x = 134,020,951,590.93/415,157.85
  6. Step 6: Final answer
    x = 322,819.26

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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.