Home / 324,483.24-486,781.05-144,632.46

Finding the Fourth Proportional to 324,483.24, 486,781.05 and 144,632.46

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Solution

The fourth proportional to 324,483.24, 486,781.05 and 144,632.46 is: 216,973.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,483.24 : 486,781.05 = 144,632.46 : x
  2. Step 2: Convert to fraction form
    324,483.24/486,781.05 = 144,632.46/x
  3. Step 3: Cross multiply
    324,483.24x = 486,781.05 × 144,632.46
  4. Step 4: Simplify right side
    324,483.24x = 70,404,340,742.88
  5. Step 5: Solve for x
    x = 70,404,340,742.88/324,483.24
  6. Step 6: Final answer
    x = 216,973.74

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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.