Home / 461,165.18-687,163.20-410,858.72

Finding the Fourth Proportional to 461,165.18, 687,163.20 and 410,858.72

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Solution

The fourth proportional to 461,165.18, 687,163.20 and 410,858.72 is: 612,203.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,165.18 : 687,163.20 = 410,858.72 : x
  2. Step 2: Convert to fraction form
    461,165.18/687,163.20 = 410,858.72/x
  3. Step 3: Cross multiply
    461,165.18x = 687,163.20 × 410,858.72
  4. Step 4: Simplify right side
    461,165.18x = 282,326,989,347.29
  5. Step 5: Solve for x
    x = 282,326,989,347.29/461,165.18
  6. Step 6: Final answer
    x = 612,203.62

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.