Home / 1,136,929.76-1,568,968.08-627,636.32

Finding the Fourth Proportional to 1,136,929.76, 1,568,968.08 and 627,636.32

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Solution

The fourth proportional to 1,136,929.76, 1,568,968.08 and 627,636.32 is: 866,140.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,929.76 : 1,568,968.08 = 627,636.32 : x
  2. Step 2: Convert to fraction form
    1,136,929.76/1,568,968.08 = 627,636.32/x
  3. Step 3: Cross multiply
    1,136,929.76x = 1,568,968.08 × 627,636.32
  4. Step 4: Simplify right side
    1,136,929.76x = 984,741,351,928.67
  5. Step 5: Solve for x
    x = 984,741,351,928.67/1,136,929.76
  6. Step 6: Final answer
    x = 866,140.89

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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.