Home / 448,635.69-619,095.39-267,343.59

Finding the Fourth Proportional to 448,635.69, 619,095.39 and 267,343.59

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Solution

The fourth proportional to 448,635.69, 619,095.39 and 267,343.59 is: 368,921.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,635.69 : 619,095.39 = 267,343.59 : x
  2. Step 2: Convert to fraction form
    448,635.69/619,095.39 = 267,343.59/x
  3. Step 3: Cross multiply
    448,635.69x = 619,095.39 × 267,343.59
  4. Step 4: Simplify right side
    448,635.69x = 165,511,184,115.05
  5. Step 5: Solve for x
    x = 165,511,184,115.05/448,635.69
  6. Step 6: Final answer
    x = 368,921.13

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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.