Home / 762,747.69-1,143,996.38-282,862.83

Finding the Fourth Proportional to 762,747.69, 1,143,996.38 and 282,862.83

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Solution

The fourth proportional to 762,747.69, 1,143,996.38 and 282,862.83 is: 424,247.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,747.69 : 1,143,996.38 = 282,862.83 : x
  2. Step 2: Convert to fraction form
    762,747.69/1,143,996.38 = 282,862.83/x
  3. Step 3: Cross multiply
    762,747.69x = 1,143,996.38 × 282,862.83
  4. Step 4: Simplify right side
    762,747.69x = 323,594,053,556.56
  5. Step 5: Solve for x
    x = 323,594,053,556.56/762,747.69
  6. Step 6: Final answer
    x = 424,247.83

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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.