Home / 653,407.38-979,733.90-253,580.85

Finding the Fourth Proportional to 653,407.38, 979,733.90 and 253,580.85

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Solution

The fourth proportional to 653,407.38, 979,733.90 and 253,580.85 is: 380,224.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,407.38 : 979,733.90 = 253,580.85 : x
  2. Step 2: Convert to fraction form
    653,407.38/979,733.90 = 253,580.85/x
  3. Step 3: Cross multiply
    653,407.38x = 979,733.90 × 253,580.85
  4. Step 4: Simplify right side
    653,407.38x = 248,441,753,867.91
  5. Step 5: Solve for x
    x = 248,441,753,867.91/653,407.38
  6. Step 6: Final answer
    x = 380,224.90

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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.