Home / 748,144.22-1,122,373.86-242,665.64

Finding the Fourth Proportional to 748,144.22, 1,122,373.86 and 242,665.64

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Solution

The fourth proportional to 748,144.22, 1,122,373.86 and 242,665.64 is: 364,049.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,144.22 : 1,122,373.86 = 242,665.64 : x
  2. Step 2: Convert to fraction form
    748,144.22/1,122,373.86 = 242,665.64/x
  3. Step 3: Cross multiply
    748,144.22x = 1,122,373.86 × 242,665.64
  4. Step 4: Simplify right side
    748,144.22x = 272,361,571,056.17
  5. Step 5: Solve for x
    x = 272,361,571,056.17/748,144.22
  6. Step 6: Final answer
    x = 364,049.56

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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.