Home / 547,058.12-754,865.78-317,579.04

Finding the Fourth Proportional to 547,058.12, 754,865.78 and 317,579.04

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Solution

The fourth proportional to 547,058.12, 754,865.78 and 317,579.04 is: 438,215.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,058.12 : 754,865.78 = 317,579.04 : x
  2. Step 2: Convert to fraction form
    547,058.12/754,865.78 = 317,579.04/x
  3. Step 3: Cross multiply
    547,058.12x = 754,865.78 × 317,579.04
  4. Step 4: Simplify right side
    547,058.12x = 239,729,548,153.36
  5. Step 5: Solve for x
    x = 239,729,548,153.36/547,058.12
  6. Step 6: Final answer
    x = 438,215.87

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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.