Home / 1,387,003.92-2,079,915.12-544,965

Finding the Fourth Proportional to 1,387,003.92, 2,079,915.12 and 544,965

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Solution

The fourth proportional to 1,387,003.92, 2,079,915.12 and 544,965 is: 817,215.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,387,003.92 : 2,079,915.12 = 544,965 : x
  2. Step 2: Convert to fraction form
    1,387,003.92/2,079,915.12 = 544,965/x
  3. Step 3: Cross multiply
    1,387,003.92x = 2,079,915.12 × 544,965
  4. Step 4: Simplify right side
    1,387,003.92x = 1,133,480,943,370.80
  5. Step 5: Solve for x
    x = 1,133,480,943,370.80/1,387,003.92
  6. Step 6: Final answer
    x = 817,215.39

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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.