Home / 440,184.60-658,527.30-381,670.20

Finding the Fourth Proportional to 440,184.60, 658,527.30 and 381,670.20

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Solution

The fourth proportional to 440,184.60, 658,527.30 and 381,670.20 is: 570,988.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,184.60 : 658,527.30 = 381,670.20 : x
  2. Step 2: Convert to fraction form
    440,184.60/658,527.30 = 381,670.20/x
  3. Step 3: Cross multiply
    440,184.60x = 658,527.30 × 381,670.20
  4. Step 4: Simplify right side
    440,184.60x = 251,340,246,296.46
  5. Step 5: Solve for x
    x = 251,340,246,296.46/440,184.60
  6. Step 6: Final answer
    x = 570,988.28

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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.