Home / 755,474.14-1,133,255.63-215,688.92

Finding the Fourth Proportional to 755,474.14, 1,133,255.63 and 215,688.92

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Solution

The fourth proportional to 755,474.14, 1,133,255.63 and 215,688.92 is: 323,546.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,474.14 : 1,133,255.63 = 215,688.92 : x
  2. Step 2: Convert to fraction form
    755,474.14/1,133,255.63 = 215,688.92/x
  3. Step 3: Cross multiply
    755,474.14x = 1,133,255.63 × 215,688.92
  4. Step 4: Simplify right side
    755,474.14x = 244,430,681,840.18
  5. Step 5: Solve for x
    x = 244,430,681,840.18/755,474.14
  6. Step 6: Final answer
    x = 323,546.06

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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.