Home / 1,136,928.76-1,568,966.70-627,635.32

Finding the Fourth Proportional to 1,136,928.76, 1,568,966.70 and 627,635.32

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Solution

The fourth proportional to 1,136,928.76, 1,568,966.70 and 627,635.32 is: 866,139.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,928.76 : 1,568,966.70 = 627,635.32 : x
  2. Step 2: Convert to fraction form
    1,136,928.76/1,568,966.70 = 627,635.32/x
  3. Step 3: Cross multiply
    1,136,928.76x = 1,568,966.70 × 627,635.32
  4. Step 4: Simplify right side
    1,136,928.76x = 984,738,916,823.84
  5. Step 5: Solve for x
    x = 984,738,916,823.84/1,136,928.76
  6. Step 6: Final answer
    x = 866,139.51

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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.