Home / 448,669.50-619,142.04-267,377.28

Finding the Fourth Proportional to 448,669.50, 619,142.04 and 267,377.28

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Solution

The fourth proportional to 448,669.50, 619,142.04 and 267,377.28 is: 368,967.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,669.50 : 619,142.04 = 267,377.28 : x
  2. Step 2: Convert to fraction form
    448,669.50/619,142.04 = 267,377.28/x
  3. Step 3: Cross multiply
    448,669.50x = 619,142.04 × 267,377.28
  4. Step 4: Simplify right side
    448,669.50x = 165,544,514,588.85
  5. Step 5: Solve for x
    x = 165,544,514,588.85/448,669.50
  6. Step 6: Final answer
    x = 368,967.61

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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.