Home / 683,647.29-943,452.28-377,743.38

Finding the Fourth Proportional to 683,647.29, 943,452.28 and 377,743.38

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Solution

The fourth proportional to 683,647.29, 943,452.28 and 377,743.38 is: 521,296.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,647.29 : 943,452.28 = 377,743.38 : x
  2. Step 2: Convert to fraction form
    683,647.29/943,452.28 = 377,743.38/x
  3. Step 3: Cross multiply
    683,647.29x = 943,452.28 × 377,743.38
  4. Step 4: Simplify right side
    683,647.29x = 356,382,846,509.93
  5. Step 5: Solve for x
    x = 356,382,846,509.93/683,647.29
  6. Step 6: Final answer
    x = 521,296.37

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1.5x scale

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.