Home / 1,243,266.66-1,715,705.46-699,402.83

Finding the Fourth Proportional to 1,243,266.66, 1,715,705.46 and 699,402.83

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Solution

The fourth proportional to 1,243,266.66, 1,715,705.46 and 699,402.83 is: 965,174.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,266.66 : 1,715,705.46 = 699,402.83 : x
  2. Step 2: Convert to fraction form
    1,243,266.66/1,715,705.46 = 699,402.83/x
  3. Step 3: Cross multiply
    1,243,266.66x = 1,715,705.46 × 699,402.83
  4. Step 4: Simplify right side
    1,243,266.66x = 1,199,969,245,591.92
  5. Step 5: Solve for x
    x = 1,199,969,245,591.92/1,243,266.66
  6. Step 6: Final answer
    x = 965,174.47

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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.