Home / 672,053.90-1,008,080.85-251,275.10

Finding the Fourth Proportional to 672,053.90, 1,008,080.85 and 251,275.10

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Solution

The fourth proportional to 672,053.90, 1,008,080.85 and 251,275.10 is: 376,912.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,053.90 : 1,008,080.85 = 251,275.10 : x
  2. Step 2: Convert to fraction form
    672,053.90/1,008,080.85 = 251,275.10/x
  3. Step 3: Cross multiply
    672,053.90x = 1,008,080.85 × 251,275.10
  4. Step 4: Simplify right side
    672,053.90x = 253,305,616,391.84
  5. Step 5: Solve for x
    x = 253,305,616,391.84/672,053.90
  6. Step 6: Final answer
    x = 376,912.65

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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.