Home / 347,417.48-520,743.90-227,330.12

Finding the Fourth Proportional to 347,417.48, 520,743.90 and 227,330.12

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Solution

The fourth proportional to 347,417.48, 520,743.90 and 227,330.12 is: 340,745.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,417.48 : 520,743.90 = 227,330.12 : x
  2. Step 2: Convert to fraction form
    347,417.48/520,743.90 = 227,330.12/x
  3. Step 3: Cross multiply
    347,417.48x = 520,743.90 × 227,330.12
  4. Step 4: Simplify right side
    347,417.48x = 118,380,773,276.27
  5. Step 5: Solve for x
    x = 118,380,773,276.27/347,417.48
  6. Step 6: Final answer
    x = 340,745.01

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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.