Home / 578,572.88-867,879.48-179,177.36

Finding the Fourth Proportional to 578,572.88, 867,879.48 and 179,177.36

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Solution

The fourth proportional to 578,572.88, 867,879.48 and 179,177.36 is: 268,772.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,572.88 : 867,879.48 = 179,177.36 : x
  2. Step 2: Convert to fraction form
    578,572.88/867,879.48 = 179,177.36/x
  3. Step 3: Cross multiply
    578,572.88x = 867,879.48 × 179,177.36
  4. Step 4: Simplify right side
    578,572.88x = 155,504,354,024.57
  5. Step 5: Solve for x
    x = 155,504,354,024.57/578,572.88
  6. Step 6: Final answer
    x = 268,772.28

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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.