Home / 798,412.40-1,198,493.40-499,230.80

Finding the Fourth Proportional to 798,412.40, 1,198,493.40 and 499,230.80

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Solution

The fourth proportional to 798,412.40, 1,198,493.40 and 499,230.80 is: 749,393.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,412.40 : 1,198,493.40 = 499,230.80 : x
  2. Step 2: Convert to fraction form
    798,412.40/1,198,493.40 = 499,230.80/x
  3. Step 3: Cross multiply
    798,412.40x = 1,198,493.40 × 499,230.80
  4. Step 4: Simplify right side
    798,412.40x = 598,324,818,876.72
  5. Step 5: Solve for x
    x = 598,324,818,876.72/798,412.40
  6. Step 6: Final answer
    x = 749,393.19

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Double scale
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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.