Home / 925,638-1,386,488.16-546,149.76

Finding the Fourth Proportional to 925,638, 1,386,488.16 and 546,149.76

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Solution

The fourth proportional to 925,638, 1,386,488.16 and 546,149.76 is: 818,062.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,638 : 1,386,488.16 = 546,149.76 : x
  2. Step 2: Convert to fraction form
    925,638/1,386,488.16 = 546,149.76/x
  3. Step 3: Cross multiply
    925,638x = 1,386,488.16 × 546,149.76
  4. Step 4: Simplify right side
    925,638x = 757,230,175,826.84
  5. Step 5: Solve for x
    x = 757,230,175,826.84/925,638
  6. Step 6: Final answer
    x = 818,062.97

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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.