Home / 1,121,260.23-1,681,890.33-641,151.24

Finding the Fourth Proportional to 1,121,260.23, 1,681,890.33 and 641,151.24

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Solution

The fourth proportional to 1,121,260.23, 1,681,890.33 and 641,151.24 is: 961,726.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,260.23 : 1,681,890.33 = 641,151.24 : x
  2. Step 2: Convert to fraction form
    1,121,260.23/1,681,890.33 = 641,151.24/x
  3. Step 3: Cross multiply
    1,121,260.23x = 1,681,890.33 × 641,151.24
  4. Step 4: Simplify right side
    1,121,260.23x = 1,078,346,070,623.51
  5. Step 5: Solve for x
    x = 1,078,346,070,623.51/1,121,260.23
  6. Step 6: Final answer
    x = 961,726.85

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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.