Home / 1,368,556.43-1,888,574.21-756,693.52

Finding the Fourth Proportional to 1,368,556.43, 1,888,574.21 and 756,693.52

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Solution

The fourth proportional to 1,368,556.43, 1,888,574.21 and 756,693.52 is: 1,044,218.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,556.43 : 1,888,574.21 = 756,693.52 : x
  2. Step 2: Convert to fraction form
    1,368,556.43/1,888,574.21 = 756,693.52/x
  3. Step 3: Cross multiply
    1,368,556.43x = 1,888,574.21 × 756,693.52
  4. Step 4: Simplify right side
    1,368,556.43x = 1,429,071,857,303.25
  5. Step 5: Solve for x
    x = 1,429,071,857,303.25/1,368,556.43
  6. Step 6: Final answer
    x = 1,044,218.44

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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.