Home / 1,728,181.82-2,592,269.82-716,628.71

Finding the Fourth Proportional to 1,728,181.82, 2,592,269.82 and 716,628.71

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Solution

The fourth proportional to 1,728,181.82, 2,592,269.82 and 716,628.71 is: 1,074,941.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,181.82 : 2,592,269.82 = 716,628.71 : x
  2. Step 2: Convert to fraction form
    1,728,181.82/2,592,269.82 = 716,628.71/x
  3. Step 3: Cross multiply
    1,728,181.82x = 2,592,269.82 × 716,628.71
  4. Step 4: Simplify right side
    1,728,181.82x = 1,857,694,964,117.18
  5. Step 5: Solve for x
    x = 1,857,694,964,117.18/1,728,181.82
  6. Step 6: Final answer
    x = 1,074,941.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.