Home / 1,184,143.72-1,775,947.70-543,831.88

Finding the Fourth Proportional to 1,184,143.72, 1,775,947.70 and 543,831.88

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Solution

The fourth proportional to 1,184,143.72, 1,775,947.70 and 543,831.88 is: 815,624.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184,143.72 : 1,775,947.70 = 543,831.88 : x
  2. Step 2: Convert to fraction form
    1,184,143.72/1,775,947.70 = 543,831.88/x
  3. Step 3: Cross multiply
    1,184,143.72x = 1,775,947.70 × 543,831.88
  4. Step 4: Simplify right side
    1,184,143.72x = 965,816,976,472.68
  5. Step 5: Solve for x
    x = 965,816,976,472.68/1,184,143.72
  6. Step 6: Final answer
    x = 815,624.79

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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.