Home / 672,031.65-1,008,047.49-667,366.05

Finding the Fourth Proportional to 672,031.65, 1,008,047.49 and 667,366.05

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Solution

The fourth proportional to 672,031.65, 1,008,047.49 and 667,366.05 is: 1,001,049.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,031.65 : 1,008,047.49 = 667,366.05 : x
  2. Step 2: Convert to fraction form
    672,031.65/1,008,047.49 = 667,366.05/x
  3. Step 3: Cross multiply
    672,031.65x = 1,008,047.49 × 667,366.05
  4. Step 4: Simplify right side
    672,031.65x = 672,736,671,613.72
  5. Step 5: Solve for x
    x = 672,736,671,613.72/672,031.65
  6. Step 6: Final answer
    x = 1,001,049.09

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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.