Home / 676,100.38-1,013,993.13-316,519.30

Finding the Fourth Proportional to 676,100.38, 1,013,993.13 and 316,519.30

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Solution

The fourth proportional to 676,100.38, 1,013,993.13 and 316,519.30 is: 474,705.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,100.38 : 1,013,993.13 = 316,519.30 : x
  2. Step 2: Convert to fraction form
    676,100.38/1,013,993.13 = 316,519.30/x
  3. Step 3: Cross multiply
    676,100.38x = 1,013,993.13 × 316,519.30
  4. Step 4: Simplify right side
    676,100.38x = 320,948,395,712.41
  5. Step 5: Solve for x
    x = 320,948,395,712.41/676,100.38
  6. Step 6: Final answer
    x = 474,705.24

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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.