Home / 397,220.56-548,131.76-233,851.12

Finding the Fourth Proportional to 397,220.56, 548,131.76 and 233,851.12

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Solution

The fourth proportional to 397,220.56, 548,131.76 and 233,851.12 is: 322,695.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,220.56 : 548,131.76 = 233,851.12 : x
  2. Step 2: Convert to fraction form
    397,220.56/548,131.76 = 233,851.12/x
  3. Step 3: Cross multiply
    397,220.56x = 548,131.76 × 233,851.12
  4. Step 4: Simplify right side
    397,220.56x = 128,181,225,983.57
  5. Step 5: Solve for x
    x = 128,181,225,983.57/397,220.56
  6. Step 6: Final answer
    x = 322,695.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.