Home / 798,111.40-1,197,167.10-656,393.80

Finding the Fourth Proportional to 798,111.40, 1,197,167.10 and 656,393.80

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Solution

The fourth proportional to 798,111.40, 1,197,167.10 and 656,393.80 is: 984,590.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,111.40 : 1,197,167.10 = 656,393.80 : x
  2. Step 2: Convert to fraction form
    798,111.40/1,197,167.10 = 656,393.80/x
  3. Step 3: Cross multiply
    798,111.40x = 1,197,167.10 × 656,393.80
  4. Step 4: Simplify right side
    798,111.40x = 785,813,062,003.98
  5. Step 5: Solve for x
    x = 785,813,062,003.98/798,111.40
  6. Step 6: Final answer
    x = 984,590.70

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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.