Home / 872,654.40-1,308,981.60-607,233.60

Finding the Fourth Proportional to 872,654.40, 1,308,981.60 and 607,233.60

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Solution

The fourth proportional to 872,654.40, 1,308,981.60 and 607,233.60 is: 910,850.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,654.40 : 1,308,981.60 = 607,233.60 : x
  2. Step 2: Convert to fraction form
    872,654.40/1,308,981.60 = 607,233.60/x
  3. Step 3: Cross multiply
    872,654.40x = 1,308,981.60 × 607,233.60
  4. Step 4: Simplify right side
    872,654.40x = 794,857,609,301.76
  5. Step 5: Solve for x
    x = 794,857,609,301.76/872,654.40
  6. Step 6: Final answer
    x = 910,850.40

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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.