Home / 477,243.80-715,849.26-122,260.92

Finding the Fourth Proportional to 477,243.80, 715,849.26 and 122,260.92

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Solution

The fourth proportional to 477,243.80, 715,849.26 and 122,260.92 is: 183,387.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,243.80 : 715,849.26 = 122,260.92 : x
  2. Step 2: Convert to fraction form
    477,243.80/715,849.26 = 122,260.92/x
  3. Step 3: Cross multiply
    477,243.80x = 715,849.26 × 122,260.92
  4. Step 4: Simplify right side
    477,243.80x = 87,520,389,108.92
  5. Step 5: Solve for x
    x = 87,520,389,108.92/477,243.80
  6. Step 6: Final answer
    x = 183,387.17

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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.