Home / 1,439,815.44-1,987,329.60-828,035.04

Finding the Fourth Proportional to 1,439,815.44, 1,987,329.60 and 828,035.04

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Solution

The fourth proportional to 1,439,815.44, 1,987,329.60 and 828,035.04 is: 1,142,909.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,815.44 : 1,987,329.60 = 828,035.04 : x
  2. Step 2: Convert to fraction form
    1,439,815.44/1,987,329.60 = 828,035.04/x
  3. Step 3: Cross multiply
    1,439,815.44x = 1,987,329.60 × 828,035.04
  4. Step 4: Simplify right side
    1,439,815.44x = 1,645,578,544,829.18
  5. Step 5: Solve for x
    x = 1,645,578,544,829.18/1,439,815.44
  6. Step 6: Final answer
    x = 1,142,909.36

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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.