Home / 672,097.20-1,008,145.80-580,858.80

Finding the Fourth Proportional to 672,097.20, 1,008,145.80 and 580,858.80

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Solution

The fourth proportional to 672,097.20, 1,008,145.80 and 580,858.80 is: 871,288.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,097.20 : 1,008,145.80 = 580,858.80 : x
  2. Step 2: Convert to fraction form
    672,097.20/1,008,145.80 = 580,858.80/x
  3. Step 3: Cross multiply
    672,097.20x = 1,008,145.80 × 580,858.80
  4. Step 4: Simplify right side
    672,097.20x = 585,590,359,613.04
  5. Step 5: Solve for x
    x = 585,590,359,613.04/672,097.20
  6. Step 6: Final answer
    x = 871,288.20

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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.