Home / 487,363.92-672,576.84-269,575.44

Finding the Fourth Proportional to 487,363.92, 672,576.84 and 269,575.44

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Solution

The fourth proportional to 487,363.92, 672,576.84 and 269,575.44 is: 372,022.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,363.92 : 672,576.84 = 269,575.44 : x
  2. Step 2: Convert to fraction form
    487,363.92/672,576.84 = 269,575.44/x
  3. Step 3: Cross multiply
    487,363.92x = 672,576.84 × 269,575.44
  4. Step 4: Simplify right side
    487,363.92x = 181,310,197,576.81
  5. Step 5: Solve for x
    x = 181,310,197,576.81/487,363.92
  6. Step 6: Final answer
    x = 372,022.20

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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.