Home / 1,005,193.32-1,507,976.75-331,321.92

Finding the Fourth Proportional to 1,005,193.32, 1,507,976.75 and 331,321.92

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Solution

The fourth proportional to 1,005,193.32, 1,507,976.75 and 331,321.92 is: 497,044.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,193.32 : 1,507,976.75 = 331,321.92 : x
  2. Step 2: Convert to fraction form
    1,005,193.32/1,507,976.75 = 331,321.92/x
  3. Step 3: Cross multiply
    1,005,193.32x = 1,507,976.75 × 331,321.92
  4. Step 4: Simplify right side
    1,005,193.32x = 499,625,752,125.36
  5. Step 5: Solve for x
    x = 499,625,752,125.36/1,005,193.32
  6. Step 6: Final answer
    x = 497,044.44

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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.