Home / 1,363,403.91-2,044,884.37-643,744.23

Finding the Fourth Proportional to 1,363,403.91, 2,044,884.37 and 643,744.23

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Solution

The fourth proportional to 1,363,403.91, 2,044,884.37 and 643,744.23 is: 965,511.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,363,403.91 : 2,044,884.37 = 643,744.23 : x
  2. Step 2: Convert to fraction form
    1,363,403.91/2,044,884.37 = 643,744.23/x
  3. Step 3: Cross multiply
    1,363,403.91x = 2,044,884.37 × 643,744.23
  4. Step 4: Simplify right side
    1,363,403.91x = 1,316,382,514,204.69
  5. Step 5: Solve for x
    x = 1,316,382,514,204.69/1,363,403.91
  6. Step 6: Final answer
    x = 965,511.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.