Home / 1,012,185.05-1,517,527.58-612,731.39

Finding the Fourth Proportional to 1,012,185.05, 1,517,527.58 and 612,731.39

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Solution

The fourth proportional to 1,012,185.05, 1,517,527.58 and 612,731.39 is: 918,643.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,185.05 : 1,517,527.58 = 612,731.39 : x
  2. Step 2: Convert to fraction form
    1,012,185.05/1,517,527.58 = 612,731.39/x
  3. Step 3: Cross multiply
    1,012,185.05x = 1,517,527.58 × 612,731.39
  4. Step 4: Simplify right side
    1,012,185.05x = 929,836,772,805.44
  5. Step 5: Solve for x
    x = 929,836,772,805.44/1,012,185.05
  6. Step 6: Final answer
    x = 918,643.07

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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.