Home / 1,238,077.66-1,857,641.37-676,456.06

Finding the Fourth Proportional to 1,238,077.66, 1,857,641.37 and 676,456.06

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Solution

The fourth proportional to 1,238,077.66, 1,857,641.37 and 676,456.06 is: 1,014,970.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,077.66 : 1,857,641.37 = 676,456.06 : x
  2. Step 2: Convert to fraction form
    1,238,077.66/1,857,641.37 = 676,456.06/x
  3. Step 3: Cross multiply
    1,238,077.66x = 1,857,641.37 × 676,456.06
  4. Step 4: Simplify right side
    1,238,077.66x = 1,256,612,762,043.20
  5. Step 5: Solve for x
    x = 1,256,612,762,043.20/1,238,077.66
  6. Step 6: Final answer
    x = 1,014,970.87

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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.