Home / 822,881.62-1,133,053.27-720,333.19

Finding the Fourth Proportional to 822,881.62, 1,133,053.27 and 720,333.19

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Solution

The fourth proportional to 822,881.62, 1,133,053.27 and 720,333.19 is: 991,850.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,881.62 : 1,133,053.27 = 720,333.19 : x
  2. Step 2: Convert to fraction form
    822,881.62/1,133,053.27 = 720,333.19/x
  3. Step 3: Cross multiply
    822,881.62x = 1,133,053.27 × 720,333.19
  4. Step 4: Simplify right side
    822,881.62x = 816,175,876,419.03
  5. Step 5: Solve for x
    x = 816,175,876,419.03/822,881.62
  6. Step 6: Final answer
    x = 991,850.90

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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.