Home / 996,261.12-1,374,844.80-543,561.60

Finding the Fourth Proportional to 996,261.12, 1,374,844.80 and 543,561.60

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Solution

The fourth proportional to 996,261.12, 1,374,844.80 and 543,561.60 is: 750,117.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,261.12 : 1,374,844.80 = 543,561.60 : x
  2. Step 2: Convert to fraction form
    996,261.12/1,374,844.80 = 543,561.60/x
  3. Step 3: Cross multiply
    996,261.12x = 1,374,844.80 × 543,561.60
  4. Step 4: Simplify right side
    996,261.12x = 747,312,839,239.68
  5. Step 5: Solve for x
    x = 747,312,839,239.68/996,261.12
  6. Step 6: Final answer
    x = 750,117.44

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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.