Home / 1,136,964.87-1,568,970.41-627,656.31

Finding the Fourth Proportional to 1,136,964.87, 1,568,970.41 and 627,656.31

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Solution

The fourth proportional to 1,136,964.87, 1,568,970.41 and 627,656.31 is: 866,143.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,964.87 : 1,568,970.41 = 627,656.31 : x
  2. Step 2: Convert to fraction form
    1,136,964.87/1,568,970.41 = 627,656.31/x
  3. Step 3: Cross multiply
    1,136,964.87x = 1,568,970.41 × 627,656.31
  4. Step 4: Simplify right side
    1,136,964.87x = 984,774,174,901.51
  5. Step 5: Solve for x
    x = 984,774,174,901.51/1,136,964.87
  6. Step 6: Final answer
    x = 866,143.01

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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.