Home / 1,104,811.78-1,523,776.52-717,751.91

Finding the Fourth Proportional to 1,104,811.78, 1,523,776.52 and 717,751.91

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Solution

The fourth proportional to 1,104,811.78, 1,523,776.52 and 717,751.91 is: 989,936.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,104,811.78 : 1,523,776.52 = 717,751.91 : x
  2. Step 2: Convert to fraction form
    1,104,811.78/1,523,776.52 = 717,751.91/x
  3. Step 3: Cross multiply
    1,104,811.78x = 1,523,776.52 × 717,751.91
  4. Step 4: Simplify right side
    1,104,811.78x = 1,093,693,507,643.15
  5. Step 5: Solve for x
    x = 1,093,693,507,643.15/1,104,811.78
  6. Step 6: Final answer
    x = 989,936.51

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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.