Home / 438,951.23-658,479.57-154,583.00

Finding the Fourth Proportional to 438,951.23, 658,479.57 and 154,583.00

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Solution

The fourth proportional to 438,951.23, 658,479.57 and 154,583.00 is: 231,893.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,951.23 : 658,479.57 = 154,583.00 : x
  2. Step 2: Convert to fraction form
    438,951.23/658,479.57 = 154,583.00/x
  3. Step 3: Cross multiply
    438,951.23x = 658,479.57 × 154,583.00
  4. Step 4: Simplify right side
    438,951.23x = 101,789,746,401.29
  5. Step 5: Solve for x
    x = 101,789,746,401.29/438,951.23
  6. Step 6: Final answer
    x = 231,893.07

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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.