Home / 394,895.40-591,176.70-261,925.80

Finding the Fourth Proportional to 394,895.40, 591,176.70 and 261,925.80

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Solution

The fourth proportional to 394,895.40, 591,176.70 and 261,925.80 is: 392,115.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,895.40 : 591,176.70 = 261,925.80 : x
  2. Step 2: Convert to fraction form
    394,895.40/591,176.70 = 261,925.80/x
  3. Step 3: Cross multiply
    394,895.40x = 591,176.70 × 261,925.80
  4. Step 4: Simplify right side
    394,895.40x = 154,844,430,088.86
  5. Step 5: Solve for x
    x = 154,844,430,088.86/394,895.40
  6. Step 6: Final answer
    x = 392,115.05

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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.