Home / 736,590.28-1,016,134.34-449,612.20

Finding the Fourth Proportional to 736,590.28, 1,016,134.34 and 449,612.20

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Solution

The fourth proportional to 736,590.28, 1,016,134.34 and 449,612.20 is: 620,244.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,590.28 : 1,016,134.34 = 449,612.20 : x
  2. Step 2: Convert to fraction form
    736,590.28/1,016,134.34 = 449,612.20/x
  3. Step 3: Cross multiply
    736,590.28x = 1,016,134.34 × 449,612.20
  4. Step 4: Simplify right side
    736,590.28x = 456,866,396,102.95
  5. Step 5: Solve for x
    x = 456,866,396,102.95/736,590.28
  6. Step 6: Final answer
    x = 620,244.94

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Half scale
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Double scale
Find fourth proportional to 736,591.28, 1,016,135.72 and 449,613.20
Similar ratio
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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.