Home / 1,403,982.19-1,938,676.45-888,645.20

Finding the Fourth Proportional to 1,403,982.19, 1,938,676.45 and 888,645.20

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Solution

The fourth proportional to 1,403,982.19, 1,938,676.45 and 888,645.20 is: 1,227,077.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,982.19 : 1,938,676.45 = 888,645.20 : x
  2. Step 2: Convert to fraction form
    1,403,982.19/1,938,676.45 = 888,645.20/x
  3. Step 3: Cross multiply
    1,403,982.19x = 1,938,676.45 × 888,645.20
  4. Step 4: Simplify right side
    1,403,982.19x = 1,722,795,521,645.54
  5. Step 5: Solve for x
    x = 1,722,795,521,645.54/1,403,982.19
  6. Step 6: Final answer
    x = 1,227,077.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.