Home / 798,423.40-1,197,635.10-656,705.80

Finding the Fourth Proportional to 798,423.40, 1,197,635.10 and 656,705.80

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Solution

The fourth proportional to 798,423.40, 1,197,635.10 and 656,705.80 is: 985,058.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,423.40 : 1,197,635.10 = 656,705.80 : x
  2. Step 2: Convert to fraction form
    798,423.40/1,197,635.10 = 656,705.80/x
  3. Step 3: Cross multiply
    798,423.40x = 1,197,635.10 × 656,705.80
  4. Step 4: Simplify right side
    798,423.40x = 786,493,916,453.58
  5. Step 5: Solve for x
    x = 786,493,916,453.58/798,423.40
  6. Step 6: Final answer
    x = 985,058.70

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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.