Home / 728,110.40-1,092,165.60-657,251.60

Finding the Fourth Proportional to 728,110.40, 1,092,165.60 and 657,251.60

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Solution

The fourth proportional to 728,110.40, 1,092,165.60 and 657,251.60 is: 985,877.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,110.40 : 1,092,165.60 = 657,251.60 : x
  2. Step 2: Convert to fraction form
    728,110.40/1,092,165.60 = 657,251.60/x
  3. Step 3: Cross multiply
    728,110.40x = 1,092,165.60 × 657,251.60
  4. Step 4: Simplify right side
    728,110.40x = 717,827,588,064.96
  5. Step 5: Solve for x
    x = 717,827,588,064.96/728,110.40
  6. Step 6: Final answer
    x = 985,877.40

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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.