Home / 1,243,266.15-1,715,704.77-699,402.32

Finding the Fourth Proportional to 1,243,266.15, 1,715,704.77 and 699,402.32

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Solution

The fourth proportional to 1,243,266.15, 1,715,704.77 and 699,402.32 is: 965,173.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,266.15 : 1,715,704.77 = 699,402.32 : x
  2. Step 2: Convert to fraction form
    1,243,266.15/1,715,704.77 = 699,402.32/x
  3. Step 3: Cross multiply
    1,243,266.15x = 1,715,704.77 × 699,402.32
  4. Step 4: Simplify right side
    1,243,266.15x = 1,199,967,896,573.07
  5. Step 5: Solve for x
    x = 1,199,967,896,573.07/1,243,266.15
  6. Step 6: Final answer
    x = 965,173.79

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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.