Home / 1,132,579.38-1,699,163.10-422,612.76

Finding the Fourth Proportional to 1,132,579.38, 1,699,163.10 and 422,612.76

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Solution

The fourth proportional to 1,132,579.38, 1,699,163.10 and 422,612.76 is: 634,028.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132,579.38 : 1,699,163.10 = 422,612.76 : x
  2. Step 2: Convert to fraction form
    1,132,579.38/1,699,163.10 = 422,612.76/x
  3. Step 3: Cross multiply
    1,132,579.38x = 1,699,163.10 × 422,612.76
  4. Step 4: Simplify right side
    1,132,579.38x = 718,088,007,381.16
  5. Step 5: Solve for x
    x = 718,088,007,381.16/1,132,579.38
  6. Step 6: Final answer
    x = 634,028.85

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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.