Home / 1,333,727.10-1,840,543.25-721,879.76

Finding the Fourth Proportional to 1,333,727.10, 1,840,543.25 and 721,879.76

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Solution

The fourth proportional to 1,333,727.10, 1,840,543.25 and 721,879.76 is: 996,193.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,727.10 : 1,840,543.25 = 721,879.76 : x
  2. Step 2: Convert to fraction form
    1,333,727.10/1,840,543.25 = 721,879.76/x
  3. Step 3: Cross multiply
    1,333,727.10x = 1,840,543.25 × 721,879.76
  4. Step 4: Simplify right side
    1,333,727.10x = 1,328,650,906,767.51
  5. Step 5: Solve for x
    x = 1,328,650,906,767.51/1,333,727.10
  6. Step 6: Final answer
    x = 996,193.98

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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.