Home / 1,116,986.40-1,541,447.92-607,692.42

Finding the Fourth Proportional to 1,116,986.40, 1,541,447.92 and 607,692.42

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Solution

The fourth proportional to 1,116,986.40, 1,541,447.92 and 607,692.42 is: 838,619.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,986.40 : 1,541,447.92 = 607,692.42 : x
  2. Step 2: Convert to fraction form
    1,116,986.40/1,541,447.92 = 607,692.42/x
  3. Step 3: Cross multiply
    1,116,986.40x = 1,541,447.92 × 607,692.42
  4. Step 4: Simplify right side
    1,116,986.40x = 936,726,216,808.77
  5. Step 5: Solve for x
    x = 936,726,216,808.77/1,116,986.40
  6. Step 6: Final answer
    x = 838,619.18

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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.