Home / 1,720,808.52-2,581,458.22-641,228.98

Finding the Fourth Proportional to 1,720,808.52, 2,581,458.22 and 641,228.98

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Solution

The fourth proportional to 1,720,808.52, 2,581,458.22 and 641,228.98 is: 961,934.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720,808.52 : 2,581,458.22 = 641,228.98 : x
  2. Step 2: Convert to fraction form
    1,720,808.52/2,581,458.22 = 641,228.98/x
  3. Step 3: Cross multiply
    1,720,808.52x = 2,581,458.22 × 641,228.98
  4. Step 4: Simplify right side
    1,720,808.52x = 1,655,305,821,323.22
  5. Step 5: Solve for x
    x = 1,655,305,821,323.22/1,720,808.52
  6. Step 6: Final answer
    x = 961,934.93

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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.