Home / 838,706.56-1,257,881.19-239,508.64

Finding the Fourth Proportional to 838,706.56, 1,257,881.19 and 239,508.64

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Solution

The fourth proportional to 838,706.56, 1,257,881.19 and 239,508.64 is: 359,211.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,706.56 : 1,257,881.19 = 239,508.64 : x
  2. Step 2: Convert to fraction form
    838,706.56/1,257,881.19 = 239,508.64/x
  3. Step 3: Cross multiply
    838,706.56x = 1,257,881.19 × 239,508.64
  4. Step 4: Simplify right side
    838,706.56x = 301,273,413,098.48
  5. Step 5: Solve for x
    x = 301,273,413,098.48/838,706.56
  6. Step 6: Final answer
    x = 359,211.94

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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.