Home / 725,257.01-1,000,544.67-453,139.54

Finding the Fourth Proportional to 725,257.01, 1,000,544.67 and 453,139.54

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Solution

The fourth proportional to 725,257.01, 1,000,544.67 and 453,139.54 is: 625,138.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,257.01 : 1,000,544.67 = 453,139.54 : x
  2. Step 2: Convert to fraction form
    725,257.01/1,000,544.67 = 453,139.54/x
  3. Step 3: Cross multiply
    725,257.01x = 1,000,544.67 × 453,139.54
  4. Step 4: Simplify right side
    725,257.01x = 453,386,349,011.89
  5. Step 5: Solve for x
    x = 453,386,349,011.89/725,257.01
  6. Step 6: Final answer
    x = 625,138.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.