Home / 811,044.56-1,216,740.72-242,470.16

Finding the Fourth Proportional to 811,044.56, 1,216,740.72 and 242,470.16

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Solution

The fourth proportional to 811,044.56, 1,216,740.72 and 242,470.16 is: 363,757.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,044.56 : 1,216,740.72 = 242,470.16 : x
  2. Step 2: Convert to fraction form
    811,044.56/1,216,740.72 = 242,470.16/x
  3. Step 3: Cross multiply
    811,044.56x = 1,216,740.72 × 242,470.16
  4. Step 4: Simplify right side
    811,044.56x = 295,023,317,056.92
  5. Step 5: Solve for x
    x = 295,023,317,056.92/811,044.56
  6. Step 6: Final answer
    x = 363,757.22

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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.