Home / 1,067,725.72-1,472,821.14-705,150.28

Finding the Fourth Proportional to 1,067,725.72, 1,472,821.14 and 705,150.28

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Solution

The fourth proportional to 1,067,725.72, 1,472,821.14 and 705,150.28 is: 972,684.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067,725.72 : 1,472,821.14 = 705,150.28 : x
  2. Step 2: Convert to fraction form
    1,067,725.72/1,472,821.14 = 705,150.28/x
  3. Step 3: Cross multiply
    1,067,725.72x = 1,472,821.14 × 705,150.28
  4. Step 4: Simplify right side
    1,067,725.72x = 1,038,560,239,260.92
  5. Step 5: Solve for x
    x = 1,038,560,239,260.92/1,067,725.72
  6. Step 6: Final answer
    x = 972,684.48

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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.