Home / 755,474.00-1,133,255.43-215,688.79

Finding the Fourth Proportional to 755,474.00, 1,133,255.43 and 215,688.79

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Solution

The fourth proportional to 755,474.00, 1,133,255.43 and 215,688.79 is: 323,545.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,474.00 : 1,133,255.43 = 215,688.79 : x
  2. Step 2: Convert to fraction form
    755,474.00/1,133,255.43 = 215,688.79/x
  3. Step 3: Cross multiply
    755,474.00x = 1,133,255.43 × 215,688.79
  4. Step 4: Simplify right side
    755,474.00x = 244,430,489,624.49
  5. Step 5: Solve for x
    x = 244,430,489,624.49/755,474.00
  6. Step 6: Final answer
    x = 323,545.87

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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.