Home / 1,398,241.71-1,929,518.01-825,466.41

Finding the Fourth Proportional to 1,398,241.71, 1,929,518.01 and 825,466.41

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Solution

The fourth proportional to 1,398,241.71, 1,929,518.01 and 825,466.41 is: 1,139,110.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,398,241.71 : 1,929,518.01 = 825,466.41 : x
  2. Step 2: Convert to fraction form
    1,398,241.71/1,929,518.01 = 825,466.41/x
  3. Step 3: Cross multiply
    1,398,241.71x = 1,929,518.01 × 825,466.41
  4. Step 4: Simplify right side
    1,398,241.71x = 1,592,752,304,745.04
  5. Step 5: Solve for x
    x = 1,592,752,304,745.04/1,398,241.71
  6. Step 6: Final answer
    x = 1,139,110.85

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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.