Home / 1,321,092.66-1,823,097.58-717,480.66

Finding the Fourth Proportional to 1,321,092.66, 1,823,097.58 and 717,480.66

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Solution

The fourth proportional to 1,321,092.66, 1,823,097.58 and 717,480.66 is: 990,117.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,092.66 : 1,823,097.58 = 717,480.66 : x
  2. Step 2: Convert to fraction form
    1,321,092.66/1,823,097.58 = 717,480.66/x
  3. Step 3: Cross multiply
    1,321,092.66x = 1,823,097.58 × 717,480.66
  4. Step 4: Simplify right side
    1,321,092.66x = 1,308,037,254,942.80
  5. Step 5: Solve for x
    x = 1,308,037,254,942.80/1,321,092.66
  6. Step 6: Final answer
    x = 990,117.72

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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.