Home / 1,243,083.34-1,715,382.39-691,784.38

Finding the Fourth Proportional to 1,243,083.34, 1,715,382.39 and 691,784.38

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Solution

The fourth proportional to 1,243,083.34, 1,715,382.39 and 691,784.38 is: 954,622.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,083.34 : 1,715,382.39 = 691,784.38 : x
  2. Step 2: Convert to fraction form
    1,243,083.34/1,715,382.39 = 691,784.38/x
  3. Step 3: Cross multiply
    1,243,083.34x = 1,715,382.39 × 691,784.38
  4. Step 4: Simplify right side
    1,243,083.34x = 1,186,674,743,129.07
  5. Step 5: Solve for x
    x = 1,186,674,743,129.07/1,243,083.34
  6. Step 6: Final answer
    x = 954,622.03

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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.