Home / 1,109,695.87-1,531,268.71-626,232.25

Finding the Fourth Proportional to 1,109,695.87, 1,531,268.71 and 626,232.25

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Solution

The fourth proportional to 1,109,695.87, 1,531,268.71 and 626,232.25 is: 864,137.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,695.87 : 1,531,268.71 = 626,232.25 : x
  2. Step 2: Convert to fraction form
    1,109,695.87/1,531,268.71 = 626,232.25/x
  3. Step 3: Cross multiply
    1,109,695.87x = 1,531,268.71 × 626,232.25
  4. Step 4: Simplify right side
    1,109,695.87x = 958,929,849,617.90
  5. Step 5: Solve for x
    x = 958,929,849,617.90/1,109,695.87
  6. Step 6: Final answer
    x = 864,137.53

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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.