Home / 1,177,936.80-1,625,508.44-719,817.40

Finding the Fourth Proportional to 1,177,936.80, 1,625,508.44 and 719,817.40

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Solution

The fourth proportional to 1,177,936.80, 1,625,508.44 and 719,817.40 is: 993,320.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,936.80 : 1,625,508.44 = 719,817.40 : x
  2. Step 2: Convert to fraction form
    1,177,936.80/1,625,508.44 = 719,817.40/x
  3. Step 3: Cross multiply
    1,177,936.80x = 1,625,508.44 × 719,817.40
  4. Step 4: Simplify right side
    1,177,936.80x = 1,170,069,258,958.86
  5. Step 5: Solve for x
    x = 1,170,069,258,958.86/1,177,936.80
  6. Step 6: Final answer
    x = 993,320.91

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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.