Home / 816,545.80-1,127,383.14-730,236.52

Finding the Fourth Proportional to 816,545.80, 1,127,383.14 and 730,236.52

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Solution

The fourth proportional to 816,545.80, 1,127,383.14 and 730,236.52 is: 1,008,218.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,545.80 : 1,127,383.14 = 730,236.52 : x
  2. Step 2: Convert to fraction form
    816,545.80/1,127,383.14 = 730,236.52/x
  3. Step 3: Cross multiply
    816,545.80x = 1,127,383.14 × 730,236.52
  4. Step 4: Simplify right side
    816,545.80x = 823,256,340,860.27
  5. Step 5: Solve for x
    x = 823,256,340,860.27/816,545.80
  6. Step 6: Final answer
    x = 1,008,218.21

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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.