Home / 578,083.30-867,276.15-223,108.90

Finding the Fourth Proportional to 578,083.30, 867,276.15 and 223,108.90

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Solution

The fourth proportional to 578,083.30, 867,276.15 and 223,108.90 is: 334,721.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,083.30 : 867,276.15 = 223,108.90 : x
  2. Step 2: Convert to fraction form
    578,083.30/867,276.15 = 223,108.90/x
  3. Step 3: Cross multiply
    578,083.30x = 867,276.15 × 223,108.90
  4. Step 4: Simplify right side
    578,083.30x = 193,497,027,822.74
  5. Step 5: Solve for x
    x = 193,497,027,822.74/578,083.30
  6. Step 6: Final answer
    x = 334,721.71

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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.