Home / 1,117,899-1,542,704.28-608,605.02

Finding the Fourth Proportional to 1,117,899, 1,542,704.28 and 608,605.02

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Solution

The fourth proportional to 1,117,899, 1,542,704.28 and 608,605.02 is: 839,876.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,899 : 1,542,704.28 = 608,605.02 : x
  2. Step 2: Convert to fraction form
    1,117,899/1,542,704.28 = 608,605.02/x
  3. Step 3: Cross multiply
    1,117,899x = 1,542,704.28 × 608,605.02
  4. Step 4: Simplify right side
    1,117,899x = 938,897,569,183.49
  5. Step 5: Solve for x
    x = 938,897,569,183.49/1,117,899
  6. Step 6: Final answer
    x = 839,876.92

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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.