Home / 545,992.02-819,053.64-516,132.18

Finding the Fourth Proportional to 545,992.02, 819,053.64 and 516,132.18

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Solution

The fourth proportional to 545,992.02, 819,053.64 and 516,132.18 is: 774,260.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,992.02 : 819,053.64 = 516,132.18 : x
  2. Step 2: Convert to fraction form
    545,992.02/819,053.64 = 516,132.18/x
  3. Step 3: Cross multiply
    545,992.02x = 819,053.64 × 516,132.18
  4. Step 4: Simplify right side
    545,992.02x = 422,739,940,750.14
  5. Step 5: Solve for x
    x = 422,739,940,750.14/545,992.02
  6. Step 6: Final answer
    x = 774,260.29

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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.