Home / 610,516.11-842,456.58-338,583.18

Finding the Fourth Proportional to 610,516.11, 842,456.58 and 338,583.18

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Solution

The fourth proportional to 610,516.11, 842,456.58 and 338,583.18 is: 467,213.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,516.11 : 842,456.58 = 338,583.18 : x
  2. Step 2: Convert to fraction form
    610,516.11/842,456.58 = 338,583.18/x
  3. Step 3: Cross multiply
    610,516.11x = 842,456.58 × 338,583.18
  4. Step 4: Simplify right side
    610,516.11x = 285,241,627,868.32
  5. Step 5: Solve for x
    x = 285,241,627,868.32/610,516.11
  6. Step 6: Final answer
    x = 467,213.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.