Home / 327,820.02-491,817.54-117,479.22

Finding the Fourth Proportional to 327,820.02, 491,817.54 and 117,479.22

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Solution

The fourth proportional to 327,820.02, 491,817.54 and 117,479.22 is: 176,250.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,820.02 : 491,817.54 = 117,479.22 : x
  2. Step 2: Convert to fraction form
    327,820.02/491,817.54 = 117,479.22/x
  3. Step 3: Cross multiply
    327,820.02x = 491,817.54 × 117,479.22
  4. Step 4: Simplify right side
    327,820.02x = 57,778,340,981.52
  5. Step 5: Solve for x
    x = 57,778,340,981.52/327,820.02
  6. Step 6: Final answer
    x = 176,250.19

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1.5x scale

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.