Home / 731,419.60-1,097,129.40-607,003.60

Finding the Fourth Proportional to 731,419.60, 1,097,129.40 and 607,003.60

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Solution

The fourth proportional to 731,419.60, 1,097,129.40 and 607,003.60 is: 910,505.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,419.60 : 1,097,129.40 = 607,003.60 : x
  2. Step 2: Convert to fraction form
    731,419.60/1,097,129.40 = 607,003.60/x
  3. Step 3: Cross multiply
    731,419.60x = 1,097,129.40 × 607,003.60
  4. Step 4: Simplify right side
    731,419.60x = 665,961,495,465.84
  5. Step 5: Solve for x
    x = 665,961,495,465.84/731,419.60
  6. Step 6: Final answer
    x = 910,505.40

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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.