Home / 2,798,209.23-4,196,844.30-776,658.51

Finding the Fourth Proportional to 2,798,209.23, 4,196,844.30 and 776,658.51

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Solution

The fourth proportional to 2,798,209.23, 4,196,844.30 and 776,658.51 is: 1,164,857.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,798,209.23 : 4,196,844.30 = 776,658.51 : x
  2. Step 2: Convert to fraction form
    2,798,209.23/4,196,844.30 = 776,658.51/x
  3. Step 3: Cross multiply
    2,798,209.23x = 4,196,844.30 × 776,658.51
  4. Step 4: Simplify right side
    2,798,209.23x = 3,259,514,840,739.99
  5. Step 5: Solve for x
    x = 3,259,514,840,739.99/2,798,209.23
  6. Step 6: Final answer
    x = 1,164,857.44

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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.