Home / 672,122.90-1,008,184.35-504,161.30

Finding the Fourth Proportional to 672,122.90, 1,008,184.35 and 504,161.30

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Solution

The fourth proportional to 672,122.90, 1,008,184.35 and 504,161.30 is: 756,241.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,122.90 : 1,008,184.35 = 504,161.30 : x
  2. Step 2: Convert to fraction form
    672,122.90/1,008,184.35 = 504,161.30/x
  3. Step 3: Cross multiply
    672,122.90x = 1,008,184.35 × 504,161.30
  4. Step 4: Simplify right side
    672,122.90x = 508,287,532,535.66
  5. Step 5: Solve for x
    x = 508,287,532,535.66/672,122.90
  6. Step 6: Final answer
    x = 756,241.95

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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.