Home / 736,358.40-1,016,121.60-414,115.20

Finding the Fourth Proportional to 736,358.40, 1,016,121.60 and 414,115.20

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Solution

The fourth proportional to 736,358.40, 1,016,121.60 and 414,115.20 is: 571,449.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,358.40 : 1,016,121.60 = 414,115.20 : x
  2. Step 2: Convert to fraction form
    736,358.40/1,016,121.60 = 414,115.20/x
  3. Step 3: Cross multiply
    736,358.40x = 1,016,121.60 × 414,115.20
  4. Step 4: Simplify right side
    736,358.40x = 420,791,399,608.32
  5. Step 5: Solve for x
    x = 420,791,399,608.32/736,358.40
  6. Step 6: Final answer
    x = 571,449.17

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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.