Home / 448,447.33-618,872.16-267,134.50

Finding the Fourth Proportional to 448,447.33, 618,872.16 and 267,134.50

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Solution

The fourth proportional to 448,447.33, 618,872.16 and 267,134.50 is: 368,654.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,447.33 : 618,872.16 = 267,134.50 : x
  2. Step 2: Convert to fraction form
    448,447.33/618,872.16 = 267,134.50/x
  3. Step 3: Cross multiply
    448,447.33x = 618,872.16 × 267,134.50
  4. Step 4: Simplify right side
    448,447.33x = 165,322,105,025.52
  5. Step 5: Solve for x
    x = 165,322,105,025.52/448,447.33
  6. Step 6: Final answer
    x = 368,654.45

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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.