Home / 1,333,726.36-1,840,542.22-721,879

Finding the Fourth Proportional to 1,333,726.36, 1,840,542.22 and 721,879

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Solution

The fourth proportional to 1,333,726.36, 1,840,542.22 and 721,879 is: 996,192.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,726.36 : 1,840,542.22 = 721,879 : x
  2. Step 2: Convert to fraction form
    1,333,726.36/1,840,542.22 = 721,879/x
  3. Step 3: Cross multiply
    1,333,726.36x = 1,840,542.22 × 721,879
  4. Step 4: Simplify right side
    1,333,726.36x = 1,328,648,777,231.38
  5. Step 5: Solve for x
    x = 1,328,648,777,231.38/1,333,726.36
  6. Step 6: Final answer
    x = 996,192.94

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Double scale
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1.5x scale

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.