Home / 517,589.11-776,462.03-162,569.76

Finding the Fourth Proportional to 517,589.11, 776,462.03 and 162,569.76

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Solution

The fourth proportional to 517,589.11, 776,462.03 and 162,569.76 is: 243,879.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,589.11 : 776,462.03 = 162,569.76 : x
  2. Step 2: Convert to fraction form
    517,589.11/776,462.03 = 162,569.76/x
  3. Step 3: Cross multiply
    517,589.11x = 776,462.03 × 162,569.76
  4. Step 4: Simplify right side
    517,589.11x = 126,229,245,866.21
  5. Step 5: Solve for x
    x = 126,229,245,866.21/517,589.11
  6. Step 6: Final answer
    x = 243,879.25

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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.