Home / 428,925.46-592,070.38-292,861.78

Finding the Fourth Proportional to 428,925.46, 592,070.38 and 292,861.78

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Solution

The fourth proportional to 428,925.46, 592,070.38 and 292,861.78 is: 404,253.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,925.46 : 592,070.38 = 292,861.78 : x
  2. Step 2: Convert to fraction form
    428,925.46/592,070.38 = 292,861.78/x
  3. Step 3: Cross multiply
    428,925.46x = 592,070.38 × 292,861.78
  4. Step 4: Simplify right side
    428,925.46x = 173,394,785,372.08
  5. Step 5: Solve for x
    x = 173,394,785,372.08/428,925.46
  6. Step 6: Final answer
    x = 404,253.89

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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.