Home / 448,051.10-672,076.65-413,836.70

Finding the Fourth Proportional to 448,051.10, 672,076.65 and 413,836.70

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Solution

The fourth proportional to 448,051.10, 672,076.65 and 413,836.70 is: 620,755.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,051.10 : 672,076.65 = 413,836.70 : x
  2. Step 2: Convert to fraction form
    448,051.10/672,076.65 = 413,836.70/x
  3. Step 3: Cross multiply
    448,051.10x = 672,076.65 × 413,836.70
  4. Step 4: Simplify right side
    448,051.10x = 278,129,982,983.06
  5. Step 5: Solve for x
    x = 278,129,982,983.06/448,051.10
  6. Step 6: Final answer
    x = 620,755.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.