Home / 482,927.18-724,419.70-127,940.18

Finding the Fourth Proportional to 482,927.18, 724,419.70 and 127,940.18

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Solution

The fourth proportional to 482,927.18, 724,419.70 and 127,940.18 is: 191,917.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,927.18 : 724,419.70 = 127,940.18 : x
  2. Step 2: Convert to fraction form
    482,927.18/724,419.70 = 127,940.18/x
  3. Step 3: Cross multiply
    482,927.18x = 724,419.70 × 127,940.18
  4. Step 4: Simplify right side
    482,927.18x = 92,682,386,813.55
  5. Step 5: Solve for x
    x = 92,682,386,813.55/482,927.18
  6. Step 6: Final answer
    x = 191,917.93

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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.