Home / 327,211.06-490,812.93-127,671.61

Finding the Fourth Proportional to 327,211.06, 490,812.93 and 127,671.61

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Solution

The fourth proportional to 327,211.06, 490,812.93 and 127,671.61 is: 191,505.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,211.06 : 490,812.93 = 127,671.61 : x
  2. Step 2: Convert to fraction form
    327,211.06/490,812.93 = 127,671.61/x
  3. Step 3: Cross multiply
    327,211.06x = 490,812.93 × 127,671.61
  4. Step 4: Simplify right side
    327,211.06x = 62,662,875,754.89
  5. Step 5: Solve for x
    x = 62,662,875,754.89/327,211.06
  6. Step 6: Final answer
    x = 191,505.98

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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.