Home / 1,101,553.38-1,652,496.84-391,412.61

Finding the Fourth Proportional to 1,101,553.38, 1,652,496.84 and 391,412.61

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Solution

The fourth proportional to 1,101,553.38, 1,652,496.84 and 391,412.61 is: 587,178.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,553.38 : 1,652,496.84 = 391,412.61 : x
  2. Step 2: Convert to fraction form
    1,101,553.38/1,652,496.84 = 391,412.61/x
  3. Step 3: Cross multiply
    1,101,553.38x = 1,652,496.84 × 391,412.61
  4. Step 4: Simplify right side
    1,101,553.38x = 646,808,101,161.15
  5. Step 5: Solve for x
    x = 646,808,101,161.15/1,101,553.38
  6. Step 6: Final answer
    x = 587,178.17

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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.