Home / 866,996.17-1,300,867.92-361,656.67

Finding the Fourth Proportional to 866,996.17, 1,300,867.92 and 361,656.67

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Solution

The fourth proportional to 866,996.17, 1,300,867.92 and 361,656.67 is: 542,640.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,996.17 : 1,300,867.92 = 361,656.67 : x
  2. Step 2: Convert to fraction form
    866,996.17/1,300,867.92 = 361,656.67/x
  3. Step 3: Cross multiply
    866,996.17x = 1,300,867.92 × 361,656.67
  4. Step 4: Simplify right side
    866,996.17x = 470,467,563,919.83
  5. Step 5: Solve for x
    x = 470,467,563,919.83/866,996.17
  6. Step 6: Final answer
    x = 542,640.88

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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.