Home / 1,386,238.77-2,078,833.28-544,331.25

Finding the Fourth Proportional to 1,386,238.77, 2,078,833.28 and 544,331.25

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Solution

The fourth proportional to 1,386,238.77, 2,078,833.28 and 544,331.25 is: 816,290.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,238.77 : 2,078,833.28 = 544,331.25 : x
  2. Step 2: Convert to fraction form
    1,386,238.77/2,078,833.28 = 544,331.25/x
  3. Step 3: Cross multiply
    1,386,238.77x = 2,078,833.28 × 544,331.25
  4. Step 4: Simplify right side
    1,386,238.77x = 1,131,573,915,122.34
  5. Step 5: Solve for x
    x = 1,131,573,915,122.34/1,386,238.77
  6. Step 6: Final answer
    x = 816,290.77

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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.