Home / 1,229,933.35-1,697,310.57-686,055.07

Finding the Fourth Proportional to 1,229,933.35, 1,697,310.57 and 686,055.07

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Solution

The fourth proportional to 1,229,933.35, 1,697,310.57 and 686,055.07 is: 946,757.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,933.35 : 1,697,310.57 = 686,055.07 : x
  2. Step 2: Convert to fraction form
    1,229,933.35/1,697,310.57 = 686,055.07/x
  3. Step 3: Cross multiply
    1,229,933.35x = 1,697,310.57 × 686,055.07
  4. Step 4: Simplify right side
    1,229,933.35x = 1,164,448,521,913.09
  5. Step 5: Solve for x
    x = 1,164,448,521,913.09/1,229,933.35
  6. Step 6: Final answer
    x = 946,757.42

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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.