Home / 1,243,769.22-1,716,381.39-699,904.68

Finding the Fourth Proportional to 1,243,769.22, 1,716,381.39 and 699,904.68

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Solution

The fourth proportional to 1,243,769.22, 1,716,381.39 and 699,904.68 is: 965,857.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,769.22 : 1,716,381.39 = 699,904.68 : x
  2. Step 2: Convert to fraction form
    1,243,769.22/1,716,381.39 = 699,904.68/x
  3. Step 3: Cross multiply
    1,243,769.22x = 1,716,381.39 × 699,904.68
  4. Step 4: Simplify right side
    1,243,769.22x = 1,201,303,367,525.91
  5. Step 5: Solve for x
    x = 1,201,303,367,525.91/1,243,769.22
  6. Step 6: Final answer
    x = 965,857.13

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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.