Home / 489,211.80-733,947.30-173,635.80

Finding the Fourth Proportional to 489,211.80, 733,947.30 and 173,635.80

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Solution

The fourth proportional to 489,211.80, 733,947.30 and 173,635.80 is: 260,499.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,211.80 : 733,947.30 = 173,635.80 : x
  2. Step 2: Convert to fraction form
    489,211.80/733,947.30 = 173,635.80/x
  3. Step 3: Cross multiply
    489,211.80x = 733,947.30 × 173,635.80
  4. Step 4: Simplify right side
    489,211.80x = 127,439,526,593.34
  5. Step 5: Solve for x
    x = 127,439,526,593.34/489,211.80
  6. Step 6: Final answer
    x = 260,499.70

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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.