Home / 876,083.40-1,311,209.10-635,513.40

Finding the Fourth Proportional to 876,083.40, 1,311,209.10 and 635,513.40

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Solution

The fourth proportional to 876,083.40, 1,311,209.10 and 635,513.40 is: 951,154.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,083.40 : 1,311,209.10 = 635,513.40 : x
  2. Step 2: Convert to fraction form
    876,083.40/1,311,209.10 = 635,513.40/x
  3. Step 3: Cross multiply
    876,083.40x = 1,311,209.10 × 635,513.40
  4. Step 4: Simplify right side
    876,083.40x = 833,290,953,251.94
  5. Step 5: Solve for x
    x = 833,290,953,251.94/876,083.40
  6. Step 6: Final answer
    x = 951,154.83

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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.