Home / 1,243,965-1,716,242.09-754,091.58

Finding the Fourth Proportional to 1,243,965, 1,716,242.09 and 754,091.58

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Solution

The fourth proportional to 1,243,965, 1,716,242.09 and 754,091.58 is: 1,040,385.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,965 : 1,716,242.09 = 754,091.58 : x
  2. Step 2: Convert to fraction form
    1,243,965/1,716,242.09 = 754,091.58/x
  3. Step 3: Cross multiply
    1,243,965x = 1,716,242.09 × 754,091.58
  4. Step 4: Simplify right side
    1,243,965x = 1,294,203,709,310.60
  5. Step 5: Solve for x
    x = 1,294,203,709,310.60/1,243,965
  6. Step 6: Final answer
    x = 1,040,385.95

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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.