Home / 748,022.87-1,121,709.92-410,962.43

Finding the Fourth Proportional to 748,022.87, 1,121,709.92 and 410,962.43

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Solution

The fourth proportional to 748,022.87, 1,121,709.92 and 410,962.43 is: 616,265.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,022.87 : 1,121,709.92 = 410,962.43 : x
  2. Step 2: Convert to fraction form
    748,022.87/1,121,709.92 = 410,962.43/x
  3. Step 3: Cross multiply
    748,022.87x = 1,121,709.92 × 410,962.43
  4. Step 4: Simplify right side
    748,022.87x = 460,980,626,814.94
  5. Step 5: Solve for x
    x = 460,980,626,814.94/748,022.87
  6. Step 6: Final answer
    x = 616,265.42

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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.