Home / 471,637.96-707,457.18-151,789.78

Finding the Fourth Proportional to 471,637.96, 707,457.18 and 151,789.78

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Solution

The fourth proportional to 471,637.96, 707,457.18 and 151,789.78 is: 227,684.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,637.96 : 707,457.18 = 151,789.78 : x
  2. Step 2: Convert to fraction form
    471,637.96/707,457.18 = 151,789.78/x
  3. Step 3: Cross multiply
    471,637.96x = 707,457.18 × 151,789.78
  4. Step 4: Simplify right side
    471,637.96x = 107,384,768,952.67
  5. Step 5: Solve for x
    x = 107,384,768,952.67/471,637.96
  6. Step 6: Final answer
    x = 227,684.75

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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.