Home / 1,111,054.75-1,533,380.33-627,651.20

Finding the Fourth Proportional to 1,111,054.75, 1,533,380.33 and 627,651.20

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Solution

The fourth proportional to 1,111,054.75, 1,533,380.33 and 627,651.20 is: 866,229.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,054.75 : 1,533,380.33 = 627,651.20 : x
  2. Step 2: Convert to fraction form
    1,111,054.75/1,533,380.33 = 627,651.20/x
  3. Step 3: Cross multiply
    1,111,054.75x = 1,533,380.33 × 627,651.20
  4. Step 4: Simplify right side
    1,111,054.75x = 962,428,009,583.48
  5. Step 5: Solve for x
    x = 962,428,009,583.48/1,111,054.75
  6. Step 6: Final answer
    x = 866,229.15

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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.