Home / 542,708.00-748,816.33-313,216.64

Finding the Fourth Proportional to 542,708.00, 748,816.33 and 313,216.64

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Solution

The fourth proportional to 542,708.00, 748,816.33 and 313,216.64 is: 432,169.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,708.00 : 748,816.33 = 313,216.64 : x
  2. Step 2: Convert to fraction form
    542,708.00/748,816.33 = 313,216.64/x
  3. Step 3: Cross multiply
    542,708.00x = 748,816.33 × 313,216.64
  4. Step 4: Simplify right side
    542,708.00x = 234,541,733,727.95
  5. Step 5: Solve for x
    x = 234,541,733,727.95/542,708.00
  6. Step 6: Final answer
    x = 432,169.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.