Home / 1,692,399.15-2,538,972.47-627,441.23

Finding the Fourth Proportional to 1,692,399.15, 2,538,972.47 and 627,441.23

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Solution

The fourth proportional to 1,692,399.15, 2,538,972.47 and 627,441.23 is: 941,300.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,692,399.15 : 2,538,972.47 = 627,441.23 : x
  2. Step 2: Convert to fraction form
    1,692,399.15/2,538,972.47 = 627,441.23/x
  3. Step 3: Cross multiply
    1,692,399.15x = 2,538,972.47 × 627,441.23
  4. Step 4: Simplify right side
    1,692,399.15x = 1,593,056,017,428.97
  5. Step 5: Solve for x
    x = 1,593,056,017,428.97/1,692,399.15
  6. Step 6: Final answer
    x = 941,300.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.