Home / 1,264,983.40-1,897,475.10-839,830.60

Finding the Fourth Proportional to 1,264,983.40, 1,897,475.10 and 839,830.60

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Solution

The fourth proportional to 1,264,983.40, 1,897,475.10 and 839,830.60 is: 1,259,745.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,983.40 : 1,897,475.10 = 839,830.60 : x
  2. Step 2: Convert to fraction form
    1,264,983.40/1,897,475.10 = 839,830.60/x
  3. Step 3: Cross multiply
    1,264,983.40x = 1,897,475.10 × 839,830.60
  4. Step 4: Simplify right side
    1,264,983.40x = 1,593,557,651,718.06
  5. Step 5: Solve for x
    x = 1,593,557,651,718.06/1,264,983.40
  6. Step 6: Final answer
    x = 1,259,745.90

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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.