Home / 1,121,914.28-1,548,241.56-612,617.12

Finding the Fourth Proportional to 1,121,914.28, 1,548,241.56 and 612,617.12

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Solution

The fourth proportional to 1,121,914.28, 1,548,241.56 and 612,617.12 is: 845,411.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,914.28 : 1,548,241.56 = 612,617.12 : x
  2. Step 2: Convert to fraction form
    1,121,914.28/1,548,241.56 = 612,617.12/x
  3. Step 3: Cross multiply
    1,121,914.28x = 1,548,241.56 × 612,617.12
  4. Step 4: Simplify right side
    1,121,914.28x = 948,479,285,551.51
  5. Step 5: Solve for x
    x = 948,479,285,551.51/1,121,914.28
  6. Step 6: Final answer
    x = 845,411.55

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1.5x scale

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.