Home / 1,439,813.44-1,987,326.84-828,033.04

Finding the Fourth Proportional to 1,439,813.44, 1,987,326.84 and 828,033.04

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Solution

The fourth proportional to 1,439,813.44, 1,987,326.84 and 828,033.04 is: 1,142,906.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,813.44 : 1,987,326.84 = 828,033.04 : x
  2. Step 2: Convert to fraction form
    1,439,813.44/1,987,326.84 = 828,033.04/x
  3. Step 3: Cross multiply
    1,439,813.44x = 1,987,326.84 × 828,033.04
  4. Step 4: Simplify right side
    1,439,813.44x = 1,645,572,284,798.79
  5. Step 5: Solve for x
    x = 1,645,572,284,798.79/1,439,813.44
  6. Step 6: Final answer
    x = 1,142,906.60

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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.