Home / 445,259.96-666,782.04-311,514.04

Finding the Fourth Proportional to 445,259.96, 666,782.04 and 311,514.04

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Solution

The fourth proportional to 445,259.96, 666,782.04 and 311,514.04 is: 466,495.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,259.96 : 666,782.04 = 311,514.04 : x
  2. Step 2: Convert to fraction form
    445,259.96/666,782.04 = 311,514.04/x
  3. Step 3: Cross multiply
    445,259.96x = 666,782.04 × 311,514.04
  4. Step 4: Simplify right side
    445,259.96x = 207,711,967,079.84
  5. Step 5: Solve for x
    x = 207,711,967,079.84/445,259.96
  6. Step 6: Final answer
    x = 466,495.95

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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.