Home / 482,929.18-724,422.70-127,942.18

Finding the Fourth Proportional to 482,929.18, 724,422.70 and 127,942.18

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Solution

The fourth proportional to 482,929.18, 724,422.70 and 127,942.18 is: 191,920.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,929.18 : 724,422.70 = 127,942.18 : x
  2. Step 2: Convert to fraction form
    482,929.18/724,422.70 = 127,942.18/x
  3. Step 3: Cross multiply
    482,929.18x = 724,422.70 × 127,942.18
  4. Step 4: Simplify right side
    482,929.18x = 92,684,219,479.49
  5. Step 5: Solve for x
    x = 92,684,219,479.49/482,929.18
  6. Step 6: Final answer
    x = 191,920.93

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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.