Home / 798,143.40-1,197,215.10-531,037.80

Finding the Fourth Proportional to 798,143.40, 1,197,215.10 and 531,037.80

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Solution

The fourth proportional to 798,143.40, 1,197,215.10 and 531,037.80 is: 796,556.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,143.40 : 1,197,215.10 = 531,037.80 : x
  2. Step 2: Convert to fraction form
    798,143.40/1,197,215.10 = 531,037.80/x
  3. Step 3: Cross multiply
    798,143.40x = 1,197,215.10 × 531,037.80
  4. Step 4: Simplify right side
    798,143.40x = 635,766,472,830.78
  5. Step 5: Solve for x
    x = 635,766,472,830.78/798,143.40
  6. Step 6: Final answer
    x = 796,556.70

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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.