Home / 442,045.20-663,645.96-262,458.48

Finding the Fourth Proportional to 442,045.20, 663,645.96 and 262,458.48

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Solution

The fourth proportional to 442,045.20, 663,645.96 and 262,458.48 is: 394,030.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,045.20 : 663,645.96 = 262,458.48 : x
  2. Step 2: Convert to fraction form
    442,045.20/663,645.96 = 262,458.48/x
  3. Step 3: Cross multiply
    442,045.20x = 663,645.96 × 262,458.48
  4. Step 4: Simplify right side
    442,045.20x = 174,179,509,919.74
  5. Step 5: Solve for x
    x = 174,179,509,919.74/442,045.20
  6. Step 6: Final answer
    x = 394,030.99

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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.