Home / 1,259,862.90-1,889,794.35-905,568.90

Finding the Fourth Proportional to 1,259,862.90, 1,889,794.35 and 905,568.90

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Solution

The fourth proportional to 1,259,862.90, 1,889,794.35 and 905,568.90 is: 1,358,353.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,862.90 : 1,889,794.35 = 905,568.90 : x
  2. Step 2: Convert to fraction form
    1,259,862.90/1,889,794.35 = 905,568.90/x
  3. Step 3: Cross multiply
    1,259,862.90x = 1,889,794.35 × 905,568.90
  4. Step 4: Simplify right side
    1,259,862.90x = 1,711,338,990,755.72
  5. Step 5: Solve for x
    x = 1,711,338,990,755.72/1,259,862.90
  6. Step 6: Final answer
    x = 1,358,353.35

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Similar ratio
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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.