Home / 1,228,811.52-1,695,795.84-719,466.24

Finding the Fourth Proportional to 1,228,811.52, 1,695,795.84 and 719,466.24

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Solution

The fourth proportional to 1,228,811.52, 1,695,795.84 and 719,466.24 is: 992,884.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,811.52 : 1,695,795.84 = 719,466.24 : x
  2. Step 2: Convert to fraction form
    1,228,811.52/1,695,795.84 = 719,466.24/x
  3. Step 3: Cross multiply
    1,228,811.52x = 1,695,795.84 × 719,466.24
  4. Step 4: Simplify right side
    1,228,811.52x = 1,220,067,856,812.44
  5. Step 5: Solve for x
    x = 1,220,067,856,812.44/1,228,811.52
  6. Step 6: Final answer
    x = 992,884.46

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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.