Home / 798,108.40-1,197,162.60-656,390.80

Finding the Fourth Proportional to 798,108.40, 1,197,162.60 and 656,390.80

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Solution

The fourth proportional to 798,108.40, 1,197,162.60 and 656,390.80 is: 984,586.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,108.40 : 1,197,162.60 = 656,390.80 : x
  2. Step 2: Convert to fraction form
    798,108.40/1,197,162.60 = 656,390.80/x
  3. Step 3: Cross multiply
    798,108.40x = 1,197,162.60 × 656,390.80
  4. Step 4: Simplify right side
    798,108.40x = 785,806,516,744.08
  5. Step 5: Solve for x
    x = 785,806,516,744.08/798,108.40
  6. Step 6: Final answer
    x = 984,586.20

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Similar ratio
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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.