Home / 1,120,872-1,546,803.52-718,464.96

Finding the Fourth Proportional to 1,120,872, 1,546,803.52 and 718,464.96

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Solution

The fourth proportional to 1,120,872, 1,546,803.52 and 718,464.96 is: 991,481.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,872 : 1,546,803.52 = 718,464.96 : x
  2. Step 2: Convert to fraction form
    1,120,872/1,546,803.52 = 718,464.96/x
  3. Step 3: Cross multiply
    1,120,872x = 1,546,803.52 × 718,464.96
  4. Step 4: Simplify right side
    1,120,872x = 1,111,324,129,124.66
  5. Step 5: Solve for x
    x = 1,111,324,129,124.66/1,120,872
  6. Step 6: Final answer
    x = 991,481.75

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1.5x scale

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.