Home / 1,136,605.28-1,568,507.56-627,307.64

Finding the Fourth Proportional to 1,136,605.28, 1,568,507.56 and 627,307.64

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Solution

The fourth proportional to 1,136,605.28, 1,568,507.56 and 627,307.64 is: 865,680.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,605.28 : 1,568,507.56 = 627,307.64 : x
  2. Step 2: Convert to fraction form
    1,136,605.28/1,568,507.56 = 627,307.64/x
  3. Step 3: Cross multiply
    1,136,605.28x = 1,568,507.56 × 627,307.64
  4. Step 4: Simplify right side
    1,136,605.28x = 983,936,775,785.76
  5. Step 5: Solve for x
    x = 983,936,775,785.76/1,136,605.28
  6. Step 6: Final answer
    x = 865,680.28

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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.