Home / 542,527.20-814,179.60-227,210.40

Finding the Fourth Proportional to 542,527.20, 814,179.60 and 227,210.40

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Solution

The fourth proportional to 542,527.20, 814,179.60 and 227,210.40 is: 340,978.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,527.20 : 814,179.60 = 227,210.40 : x
  2. Step 2: Convert to fraction form
    542,527.20/814,179.60 = 227,210.40/x
  3. Step 3: Cross multiply
    542,527.20x = 814,179.60 × 227,210.40
  4. Step 4: Simplify right side
    542,527.20x = 184,990,072,587.84
  5. Step 5: Solve for x
    x = 184,990,072,587.84/542,527.20
  6. Step 6: Final answer
    x = 340,978.43

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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.