Home / 672,094.80-1,008,142.20-656,542.80

Finding the Fourth Proportional to 672,094.80, 1,008,142.20 and 656,542.80

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Solution

The fourth proportional to 672,094.80, 1,008,142.20 and 656,542.80 is: 984,814.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,094.80 : 1,008,142.20 = 656,542.80 : x
  2. Step 2: Convert to fraction form
    672,094.80/1,008,142.20 = 656,542.80/x
  3. Step 3: Cross multiply
    672,094.80x = 1,008,142.20 × 656,542.80
  4. Step 4: Simplify right side
    672,094.80x = 661,888,502,786.16
  5. Step 5: Solve for x
    x = 661,888,502,786.16/672,094.80
  6. Step 6: Final answer
    x = 984,814.20

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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.