Home / 785,257.10-1,177,885.65-627,793.10

Finding the Fourth Proportional to 785,257.10, 1,177,885.65 and 627,793.10

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Solution

The fourth proportional to 785,257.10, 1,177,885.65 and 627,793.10 is: 941,689.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,257.10 : 1,177,885.65 = 627,793.10 : x
  2. Step 2: Convert to fraction form
    785,257.10/1,177,885.65 = 627,793.10/x
  3. Step 3: Cross multiply
    785,257.10x = 1,177,885.65 × 627,793.10
  4. Step 4: Simplify right side
    785,257.10x = 739,468,483,659.02
  5. Step 5: Solve for x
    x = 739,468,483,659.02/785,257.10
  6. Step 6: Final answer
    x = 941,689.65

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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.