Home / 930,914.20-1,396,371.30-887,611.60

Finding the Fourth Proportional to 930,914.20, 1,396,371.30 and 887,611.60

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Solution

The fourth proportional to 930,914.20, 1,396,371.30 and 887,611.60 is: 1,331,417.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,914.20 : 1,396,371.30 = 887,611.60 : x
  2. Step 2: Convert to fraction form
    930,914.20/1,396,371.30 = 887,611.60/x
  3. Step 3: Cross multiply
    930,914.20x = 1,396,371.30 × 887,611.60
  4. Step 4: Simplify right side
    930,914.20x = 1,239,435,363,787.08
  5. Step 5: Solve for x
    x = 1,239,435,363,787.08/930,914.20
  6. Step 6: Final answer
    x = 1,331,417.40

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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.