Home / 546,827.30-820,356.15-231,121.70

Finding the Fourth Proportional to 546,827.30, 820,356.15 and 231,121.70

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Solution

The fourth proportional to 546,827.30, 820,356.15 and 231,121.70 is: 346,731.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,827.30 : 820,356.15 = 231,121.70 : x
  2. Step 2: Convert to fraction form
    546,827.30/820,356.15 = 231,121.70/x
  3. Step 3: Cross multiply
    546,827.30x = 820,356.15 × 231,121.70
  4. Step 4: Simplify right side
    546,827.30x = 189,602,107,993.46
  5. Step 5: Solve for x
    x = 189,602,107,993.46/546,827.30
  6. Step 6: Final answer
    x = 346,731.24

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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.