Home / 621,908.18-932,928.94-172,630.95

Finding the Fourth Proportional to 621,908.18, 932,928.94 and 172,630.95

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Solution

The fourth proportional to 621,908.18, 932,928.94 and 172,630.95 is: 258,964.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,908.18 : 932,928.94 = 172,630.95 : x
  2. Step 2: Convert to fraction form
    621,908.18/932,928.94 = 172,630.95/x
  3. Step 3: Cross multiply
    621,908.18x = 932,928.94 × 172,630.95
  4. Step 4: Simplify right side
    621,908.18x = 161,052,409,194.69
  5. Step 5: Solve for x
    x = 161,052,409,194.69/621,908.18
  6. Step 6: Final answer
    x = 258,964.93

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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.