Home / 792,343.20-1,191,139.20-676,869.60

Finding the Fourth Proportional to 792,343.20, 1,191,139.20 and 676,869.60

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Solution

The fourth proportional to 792,343.20, 1,191,139.20 and 676,869.60 is: 1,017,546.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,343.20 : 1,191,139.20 = 676,869.60 : x
  2. Step 2: Convert to fraction form
    792,343.20/1,191,139.20 = 676,869.60/x
  3. Step 3: Cross multiply
    792,343.20x = 1,191,139.20 × 676,869.60
  4. Step 4: Simplify right side
    792,343.20x = 806,245,913,848.32
  5. Step 5: Solve for x
    x = 806,245,913,848.32/792,343.20
  6. Step 6: Final answer
    x = 1,017,546.33

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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.