Home / 945,947.58-1,305,407.32-516,227.71

Finding the Fourth Proportional to 945,947.58, 1,305,407.32 and 516,227.71

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Solution

The fourth proportional to 945,947.58, 1,305,407.32 and 516,227.71 is: 712,394.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,947.58 : 1,305,407.32 = 516,227.71 : x
  2. Step 2: Convert to fraction form
    945,947.58/1,305,407.32 = 516,227.71/x
  3. Step 3: Cross multiply
    945,947.58x = 1,305,407.32 × 516,227.71
  4. Step 4: Simplify right side
    945,947.58x = 673,887,436,535.20
  5. Step 5: Solve for x
    x = 673,887,436,535.20/945,947.58
  6. Step 6: Final answer
    x = 712,394.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.