Home / 1,070,969.80-1,603,344.30-1,039,865.80

Finding the Fourth Proportional to 1,070,969.80, 1,603,344.30 and 1,039,865.80

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Solution

The fourth proportional to 1,070,969.80, 1,603,344.30 and 1,039,865.80 is: 1,556,778.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,969.80 : 1,603,344.30 = 1,039,865.80 : x
  2. Step 2: Convert to fraction form
    1,070,969.80/1,603,344.30 = 1,039,865.80/x
  3. Step 3: Cross multiply
    1,070,969.80x = 1,603,344.30 × 1,039,865.80
  4. Step 4: Simplify right side
    1,070,969.80x = 1,667,262,903,194.94
  5. Step 5: Solve for x
    x = 1,667,262,903,194.94/1,070,969.80
  6. Step 6: Final answer
    x = 1,556,778.63

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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.