Home / 1,185,899.91-1,778,899.08-344,451.66

Finding the Fourth Proportional to 1,185,899.91, 1,778,899.08 and 344,451.66

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Solution

The fourth proportional to 1,185,899.91, 1,778,899.08 and 344,451.66 is: 516,691.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,899.91 : 1,778,899.08 = 344,451.66 : x
  2. Step 2: Convert to fraction form
    1,185,899.91/1,778,899.08 = 344,451.66/x
  3. Step 3: Cross multiply
    1,185,899.91x = 1,778,899.08 × 344,451.66
  4. Step 4: Simplify right side
    1,185,899.91x = 612,744,735,699.30
  5. Step 5: Solve for x
    x = 612,744,735,699.30/1,185,899.91
  6. Step 6: Final answer
    x = 516,691.78

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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.