Home / 493,650.30-740,475.45-283,115.10

Finding the Fourth Proportional to 493,650.30, 740,475.45 and 283,115.10

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Solution

The fourth proportional to 493,650.30, 740,475.45 and 283,115.10 is: 424,672.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,650.30 : 740,475.45 = 283,115.10 : x
  2. Step 2: Convert to fraction form
    493,650.30/740,475.45 = 283,115.10/x
  3. Step 3: Cross multiply
    493,650.30x = 740,475.45 × 283,115.10
  4. Step 4: Simplify right side
    493,650.30x = 209,639,781,074.30
  5. Step 5: Solve for x
    x = 209,639,781,074.30/493,650.30
  6. Step 6: Final answer
    x = 424,672.65

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Double scale
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Similar ratio
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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.