Home / 1,968,690.88-2,953,282.56-770,458.42

Finding the Fourth Proportional to 1,968,690.88, 2,953,282.56 and 770,458.42

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Solution

The fourth proportional to 1,968,690.88, 2,953,282.56 and 770,458.42 is: 1,155,784.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,968,690.88 : 2,953,282.56 = 770,458.42 : x
  2. Step 2: Convert to fraction form
    1,968,690.88/2,953,282.56 = 770,458.42/x
  3. Step 3: Cross multiply
    1,968,690.88x = 2,953,282.56 × 770,458.42
  4. Step 4: Simplify right side
    1,968,690.88x = 2,275,381,414,991.16
  5. Step 5: Solve for x
    x = 2,275,381,414,991.16/1,968,690.88
  6. Step 6: Final answer
    x = 1,155,784.00

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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.