Home / 1,039,913.28-1,435,109.76-587,272.32

Finding the Fourth Proportional to 1,039,913.28, 1,435,109.76 and 587,272.32

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Solution

The fourth proportional to 1,039,913.28, 1,435,109.76 and 587,272.32 is: 810,452.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,913.28 : 1,435,109.76 = 587,272.32 : x
  2. Step 2: Convert to fraction form
    1,039,913.28/1,435,109.76 = 587,272.32/x
  3. Step 3: Cross multiply
    1,039,913.28x = 1,435,109.76 × 587,272.32
  4. Step 4: Simplify right side
    1,039,913.28x = 842,800,238,209.84
  5. Step 5: Solve for x
    x = 842,800,238,209.84/1,039,913.28
  6. Step 6: Final answer
    x = 810,452.42

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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.