Home / 773,442.80-1,160,164.20-762,945.20

Finding the Fourth Proportional to 773,442.80, 1,160,164.20 and 762,945.20

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Solution

The fourth proportional to 773,442.80, 1,160,164.20 and 762,945.20 is: 1,144,417.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,442.80 : 1,160,164.20 = 762,945.20 : x
  2. Step 2: Convert to fraction form
    773,442.80/1,160,164.20 = 762,945.20/x
  3. Step 3: Cross multiply
    773,442.80x = 1,160,164.20 × 762,945.20
  4. Step 4: Simplify right side
    773,442.80x = 885,141,707,601.84
  5. Step 5: Solve for x
    x = 885,141,707,601.84/773,442.80
  6. Step 6: Final answer
    x = 1,144,417.80

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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.