Home / 1,243,110.91-1,715,480.60-691,817.38

Finding the Fourth Proportional to 1,243,110.91, 1,715,480.60 and 691,817.38

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Solution

The fourth proportional to 1,243,110.91, 1,715,480.60 and 691,817.38 is: 954,701.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,110.91 : 1,715,480.60 = 691,817.38 : x
  2. Step 2: Convert to fraction form
    1,243,110.91/1,715,480.60 = 691,817.38/x
  3. Step 3: Cross multiply
    1,243,110.91x = 1,715,480.60 × 691,817.38
  4. Step 4: Simplify right side
    1,243,110.91x = 1,186,799,285,555.43
  5. Step 5: Solve for x
    x = 1,186,799,285,555.43/1,243,110.91
  6. Step 6: Final answer
    x = 954,701.05

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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.