Home / 578,866.29-868,383.50-179,539.22

Finding the Fourth Proportional to 578,866.29, 868,383.50 and 179,539.22

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Solution

The fourth proportional to 578,866.29, 868,383.50 and 179,539.22 is: 269,334.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,866.29 : 868,383.50 = 179,539.22 : x
  2. Step 2: Convert to fraction form
    578,866.29/868,383.50 = 179,539.22/x
  3. Step 3: Cross multiply
    578,866.29x = 868,383.50 × 179,539.22
  4. Step 4: Simplify right side
    578,866.29x = 155,908,897,524.13
  5. Step 5: Solve for x
    x = 155,908,897,524.13/578,866.29
  6. Step 6: Final answer
    x = 269,334.91

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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.