Home / 1,285,264.46-1,927,508.09-386,467.61

Finding the Fourth Proportional to 1,285,264.46, 1,927,508.09 and 386,467.61

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Solution

The fourth proportional to 1,285,264.46, 1,927,508.09 and 386,467.61 is: 579,584.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,264.46 : 1,927,508.09 = 386,467.61 : x
  2. Step 2: Convert to fraction form
    1,285,264.46/1,927,508.09 = 386,467.61/x
  3. Step 3: Cross multiply
    1,285,264.46x = 1,927,508.09 × 386,467.61
  4. Step 4: Simplify right side
    1,285,264.46x = 744,919,433,228.09
  5. Step 5: Solve for x
    x = 744,919,433,228.09/1,285,264.46
  6. Step 6: Final answer
    x = 579,584.56

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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.