Home / 578,792.91-868,222.17-179,490.45

Finding the Fourth Proportional to 578,792.91, 868,222.17 and 179,490.45

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Solution

The fourth proportional to 578,792.91, 868,222.17 and 179,490.45 is: 269,245.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,792.91 : 868,222.17 = 179,490.45 : x
  2. Step 2: Convert to fraction form
    578,792.91/868,222.17 = 179,490.45/x
  3. Step 3: Cross multiply
    578,792.91x = 868,222.17 × 179,490.45
  4. Step 4: Simplify right side
    578,792.91x = 155,837,587,993.28
  5. Step 5: Solve for x
    x = 155,837,587,993.28/578,792.91
  6. Step 6: Final answer
    x = 269,245.85

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1.5x scale

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.