Home / 442,943.40-664,307.10-127,367.40

Finding the Fourth Proportional to 442,943.40, 664,307.10 and 127,367.40

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Solution

The fourth proportional to 442,943.40, 664,307.10 and 127,367.40 is: 191,020.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,943.40 : 664,307.10 = 127,367.40 : x
  2. Step 2: Convert to fraction form
    442,943.40/664,307.10 = 127,367.40/x
  3. Step 3: Cross multiply
    442,943.40x = 664,307.10 × 127,367.40
  4. Step 4: Simplify right side
    442,943.40x = 84,611,068,128.54
  5. Step 5: Solve for x
    x = 84,611,068,128.54/442,943.40
  6. Step 6: Final answer
    x = 191,020.04

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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.