Home / 736,393.82-1,016,229.38-409,711.57

Finding the Fourth Proportional to 736,393.82, 1,016,229.38 and 409,711.57

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Solution

The fourth proportional to 736,393.82, 1,016,229.38 and 409,711.57 is: 565,405.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,393.82 : 1,016,229.38 = 409,711.57 : x
  2. Step 2: Convert to fraction form
    736,393.82/1,016,229.38 = 409,711.57/x
  3. Step 3: Cross multiply
    736,393.82x = 1,016,229.38 × 409,711.57
  4. Step 4: Simplify right side
    736,393.82x = 416,360,930,170.80
  5. Step 5: Solve for x
    x = 416,360,930,170.80/736,393.82
  6. Step 6: Final answer
    x = 565,405.25

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Half scale
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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.