Home / 518,301.10-777,562.37-181,352.75

Finding the Fourth Proportional to 518,301.10, 777,562.37 and 181,352.75

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Solution

The fourth proportional to 518,301.10, 777,562.37 and 181,352.75 is: 272,067.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,301.10 : 777,562.37 = 181,352.75 : x
  2. Step 2: Convert to fraction form
    518,301.10/777,562.37 = 181,352.75/x
  3. Step 3: Cross multiply
    518,301.10x = 777,562.37 × 181,352.75
  4. Step 4: Simplify right side
    518,301.10x = 141,013,073,189.25
  5. Step 5: Solve for x
    x = 141,013,073,189.25/518,301.10
  6. Step 6: Final answer
    x = 272,067.87

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1.5x scale

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.