Home / 672,031.70-1,008,047.55-667,366.10

Finding the Fourth Proportional to 672,031.70, 1,008,047.55 and 667,366.10

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Solution

The fourth proportional to 672,031.70, 1,008,047.55 and 667,366.10 is: 1,001,049.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,031.70 : 1,008,047.55 = 667,366.10 : x
  2. Step 2: Convert to fraction form
    672,031.70/1,008,047.55 = 667,366.10/x
  3. Step 3: Cross multiply
    672,031.70x = 1,008,047.55 × 667,366.10
  4. Step 4: Simplify right side
    672,031.70x = 672,736,762,058.06
  5. Step 5: Solve for x
    x = 672,736,762,058.06/672,031.70
  6. Step 6: Final answer
    x = 1,001,049.15

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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.