Home / 913,233.60-1,369,850.40-282,211.20

Finding the Fourth Proportional to 913,233.60, 1,369,850.40 and 282,211.20

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Solution

The fourth proportional to 913,233.60, 1,369,850.40 and 282,211.20 is: 423,316.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,233.60 : 1,369,850.40 = 282,211.20 : x
  2. Step 2: Convert to fraction form
    913,233.60/1,369,850.40 = 282,211.20/x
  3. Step 3: Cross multiply
    913,233.60x = 1,369,850.40 × 282,211.20
  4. Step 4: Simplify right side
    913,233.60x = 386,587,125,204.48
  5. Step 5: Solve for x
    x = 386,587,125,204.48/913,233.60
  6. Step 6: Final answer
    x = 423,316.80

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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.