Home / 1,235,116.74-1,851,725.30-627,405.69

Finding the Fourth Proportional to 1,235,116.74, 1,851,725.30 and 627,405.69

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Solution

The fourth proportional to 1,235,116.74, 1,851,725.30 and 627,405.69 is: 940,626.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,116.74 : 1,851,725.30 = 627,405.69 : x
  2. Step 2: Convert to fraction form
    1,235,116.74/1,851,725.30 = 627,405.69/x
  3. Step 3: Cross multiply
    1,235,116.74x = 1,851,725.30 × 627,405.69
  4. Step 4: Simplify right side
    1,235,116.74x = 1,161,782,986,399.93
  5. Step 5: Solve for x
    x = 1,161,782,986,399.93/1,235,116.74
  6. Step 6: Final answer
    x = 940,626.05

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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.