Home / 547,386.33-821,207.52-187,561.04

Finding the Fourth Proportional to 547,386.33, 821,207.52 and 187,561.04

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Solution

The fourth proportional to 547,386.33, 821,207.52 and 187,561.04 is: 281,385.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,386.33 : 821,207.52 = 187,561.04 : x
  2. Step 2: Convert to fraction form
    547,386.33/821,207.52 = 187,561.04/x
  3. Step 3: Cross multiply
    547,386.33x = 821,207.52 × 187,561.04
  4. Step 4: Simplify right side
    547,386.33x = 154,026,538,560.04
  5. Step 5: Solve for x
    x = 154,026,538,560.04/547,386.33
  6. Step 6: Final answer
    x = 281,385.43

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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.