Home / 1,136,688.76-1,568,518.74-627,358.30

Finding the Fourth Proportional to 1,136,688.76, 1,568,518.74 and 627,358.30

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Solution

The fourth proportional to 1,136,688.76, 1,568,518.74 and 627,358.30 is: 865,692.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,688.76 : 1,568,518.74 = 627,358.30 : x
  2. Step 2: Convert to fraction form
    1,136,688.76/1,568,518.74 = 627,358.30/x
  3. Step 3: Cross multiply
    1,136,688.76x = 1,568,518.74 × 627,358.30
  4. Step 4: Simplify right side
    1,136,688.76x = 984,023,250,244.54
  5. Step 5: Solve for x
    x = 984,023,250,244.54/1,136,688.76
  6. Step 6: Final answer
    x = 865,692.78

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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.