Home / 816,304.07-1,224,545.40-276,949.77

Finding the Fourth Proportional to 816,304.07, 1,224,545.40 and 276,949.77

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Solution

The fourth proportional to 816,304.07, 1,224,545.40 and 276,949.77 is: 415,454.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,304.07 : 1,224,545.40 = 276,949.77 : x
  2. Step 2: Convert to fraction form
    816,304.07/1,224,545.40 = 276,949.77/x
  3. Step 3: Cross multiply
    816,304.07x = 1,224,545.40 × 276,949.77
  4. Step 4: Simplify right side
    816,304.07x = 339,137,566,884.56
  5. Step 5: Solve for x
    x = 339,137,566,884.56/816,304.07
  6. Step 6: Final answer
    x = 415,454.95

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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.