Home / 482,510.18-723,771.42-127,521.13

Finding the Fourth Proportional to 482,510.18, 723,771.42 and 127,521.13

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Solution

The fourth proportional to 482,510.18, 723,771.42 and 127,521.13 is: 191,283.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,510.18 : 723,771.42 = 127,521.13 : x
  2. Step 2: Convert to fraction form
    482,510.18/723,771.42 = 127,521.13/x
  3. Step 3: Cross multiply
    482,510.18x = 723,771.42 × 127,521.13
  4. Step 4: Simplify right side
    482,510.18x = 92,296,145,721.25
  5. Step 5: Solve for x
    x = 92,296,145,721.25/482,510.18
  6. Step 6: Final answer
    x = 191,283.31

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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.