Home / 654,371.20-981,556.80-603,195.40

Finding the Fourth Proportional to 654,371.20, 981,556.80 and 603,195.40

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Solution

The fourth proportional to 654,371.20, 981,556.80 and 603,195.40 is: 904,793.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,371.20 : 981,556.80 = 603,195.40 : x
  2. Step 2: Convert to fraction form
    654,371.20/981,556.80 = 603,195.40/x
  3. Step 3: Cross multiply
    654,371.20x = 981,556.80 × 603,195.40
  4. Step 4: Simplify right side
    654,371.20x = 592,070,546,598.72
  5. Step 5: Solve for x
    x = 592,070,546,598.72/654,371.20
  6. Step 6: Final answer
    x = 904,793.10

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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.