Home / 1,585,580.70-2,188,084.77-887,862.90

Finding the Fourth Proportional to 1,585,580.70, 2,188,084.77 and 887,862.90

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Solution

The fourth proportional to 1,585,580.70, 2,188,084.77 and 887,862.90 is: 1,225,241.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,580.70 : 2,188,084.77 = 887,862.90 : x
  2. Step 2: Convert to fraction form
    1,585,580.70/2,188,084.77 = 887,862.90/x
  3. Step 3: Cross multiply
    1,585,580.70x = 2,188,084.77 × 887,862.90
  4. Step 4: Simplify right side
    1,585,580.70x = 1,942,719,289,338.03
  5. Step 5: Solve for x
    x = 1,942,719,289,338.03/1,585,580.70
  6. Step 6: Final answer
    x = 1,225,241.51

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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.