Home / 482,220.43-723,360.71-127,234.79

Finding the Fourth Proportional to 482,220.43, 723,360.71 and 127,234.79

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Solution

The fourth proportional to 482,220.43, 723,360.71 and 127,234.79 is: 190,860.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,220.43 : 723,360.71 = 127,234.79 : x
  2. Step 2: Convert to fraction form
    482,220.43/723,360.71 = 127,234.79/x
  3. Step 3: Cross multiply
    482,220.43x = 723,360.71 × 127,234.79
  4. Step 4: Simplify right side
    482,220.43x = 92,036,648,031.10
  5. Step 5: Solve for x
    x = 92,036,648,031.10/482,220.43
  6. Step 6: Final answer
    x = 190,860.12

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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.