Home / 557,222.40-835,261.68-220,126.56

Finding the Fourth Proportional to 557,222.40, 835,261.68 and 220,126.56

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Solution

The fourth proportional to 557,222.40, 835,261.68 and 220,126.56 is: 329,963.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,222.40 : 835,261.68 = 220,126.56 : x
  2. Step 2: Convert to fraction form
    557,222.40/835,261.68 = 220,126.56/x
  3. Step 3: Cross multiply
    557,222.40x = 835,261.68 × 220,126.56
  4. Step 4: Simplify right side
    557,222.40x = 183,863,280,318.22
  5. Step 5: Solve for x
    x = 183,863,280,318.22/557,222.40
  6. Step 6: Final answer
    x = 329,963.91

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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.