Home / 865,984.20-1,298,976.30-656,032.20

Finding the Fourth Proportional to 865,984.20, 1,298,976.30 and 656,032.20

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Solution

The fourth proportional to 865,984.20, 1,298,976.30 and 656,032.20 is: 984,048.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,984.20 : 1,298,976.30 = 656,032.20 : x
  2. Step 2: Convert to fraction form
    865,984.20/1,298,976.30 = 656,032.20/x
  3. Step 3: Cross multiply
    865,984.20x = 1,298,976.30 × 656,032.20
  4. Step 4: Simplify right side
    865,984.20x = 852,170,279,836.86
  5. Step 5: Solve for x
    x = 852,170,279,836.86/865,984.20
  6. Step 6: Final answer
    x = 984,048.30

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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.