Home / 428,079.66-590,742.69-237,088.95

Finding the Fourth Proportional to 428,079.66, 590,742.69 and 237,088.95

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Solution

The fourth proportional to 428,079.66, 590,742.69 and 237,088.95 is: 327,178.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,079.66 : 590,742.69 = 237,088.95 : x
  2. Step 2: Convert to fraction form
    428,079.66/590,742.69 = 237,088.95/x
  3. Step 3: Cross multiply
    428,079.66x = 590,742.69 × 237,088.95
  4. Step 4: Simplify right side
    428,079.66x = 140,058,564,092.28
  5. Step 5: Solve for x
    x = 140,058,564,092.28/428,079.66
  6. Step 6: Final answer
    x = 327,178.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.