Home / 1,081,432.32-1,491,880.56-699,582.24

Finding the Fourth Proportional to 1,081,432.32, 1,491,880.56 and 699,582.24

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Solution

The fourth proportional to 1,081,432.32, 1,491,880.56 and 699,582.24 is: 965,102.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,432.32 : 1,491,880.56 = 699,582.24 : x
  2. Step 2: Convert to fraction form
    1,081,432.32/1,491,880.56 = 699,582.24/x
  3. Step 3: Cross multiply
    1,081,432.32x = 1,491,880.56 × 699,582.24
  4. Step 4: Simplify right side
    1,081,432.32x = 1,043,693,143,977.25
  5. Step 5: Solve for x
    x = 1,043,693,143,977.25/1,081,432.32
  6. Step 6: Final answer
    x = 965,102.60

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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.