Home / 392,928.66-589,397.10-314,541.18

Finding the Fourth Proportional to 392,928.66, 589,397.10 and 314,541.18

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Solution

The fourth proportional to 392,928.66, 589,397.10 and 314,541.18 is: 471,815.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,928.66 : 589,397.10 = 314,541.18 : x
  2. Step 2: Convert to fraction form
    392,928.66/589,397.10 = 314,541.18/x
  3. Step 3: Cross multiply
    392,928.66x = 589,397.10 × 314,541.18
  4. Step 4: Simplify right side
    392,928.66x = 185,389,659,322.58
  5. Step 5: Solve for x
    x = 185,389,659,322.58/392,928.66
  6. Step 6: Final answer
    x = 471,815.06

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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.