Home / 1,728,935.35-2,385,710.72-965,021.11

Finding the Fourth Proportional to 1,728,935.35, 2,385,710.72 and 965,021.11

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Solution

The fourth proportional to 1,728,935.35, 2,385,710.72 and 965,021.11 is: 1,331,606.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,935.35 : 2,385,710.72 = 965,021.11 : x
  2. Step 2: Convert to fraction form
    1,728,935.35/2,385,710.72 = 965,021.11/x
  3. Step 3: Cross multiply
    1,728,935.35x = 2,385,710.72 × 965,021.11
  4. Step 4: Simplify right side
    1,728,935.35x = 2,302,261,199,982.75
  5. Step 5: Solve for x
    x = 2,302,261,199,982.75/1,728,935.35
  6. Step 6: Final answer
    x = 1,331,606.30

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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.