Home / 397,132.52-548,047.08-215,844.46

Finding the Fourth Proportional to 397,132.52, 548,047.08 and 215,844.46

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Solution

The fourth proportional to 397,132.52, 548,047.08 and 215,844.46 is: 297,867.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,132.52 : 548,047.08 = 215,844.46 : x
  2. Step 2: Convert to fraction form
    397,132.52/548,047.08 = 215,844.46/x
  3. Step 3: Cross multiply
    397,132.52x = 548,047.08 × 215,844.46
  4. Step 4: Simplify right side
    397,132.52x = 118,292,926,037.18
  5. Step 5: Solve for x
    x = 118,292,926,037.18/397,132.52
  6. Step 6: Final answer
    x = 297,867.64

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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.