Home / 816,958.78-1,223,338.64-500,456.14

Finding the Fourth Proportional to 816,958.78, 1,223,338.64 and 500,456.14

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Solution

The fourth proportional to 816,958.78, 1,223,338.64 and 500,456.14 is: 749,398.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,958.78 : 1,223,338.64 = 500,456.14 : x
  2. Step 2: Convert to fraction form
    816,958.78/1,223,338.64 = 500,456.14/x
  3. Step 3: Cross multiply
    816,958.78x = 1,223,338.64 × 500,456.14
  4. Step 4: Simplify right side
    816,958.78x = 612,227,333,687.25
  5. Step 5: Solve for x
    x = 612,227,333,687.25/816,958.78
  6. Step 6: Final answer
    x = 749,398.07

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1.5x scale

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.