Home / 826,733.80-1,240,101.60-328,097.80

Finding the Fourth Proportional to 826,733.80, 1,240,101.60 and 328,097.80

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Solution

The fourth proportional to 826,733.80, 1,240,101.60 and 328,097.80 is: 492,147.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,733.80 : 1,240,101.60 = 328,097.80 : x
  2. Step 2: Convert to fraction form
    826,733.80/1,240,101.60 = 328,097.80/x
  3. Step 3: Cross multiply
    826,733.80x = 1,240,101.60 × 328,097.80
  4. Step 4: Simplify right side
    826,733.80x = 406,874,606,736.48
  5. Step 5: Solve for x
    x = 406,874,606,736.48/826,733.80
  6. Step 6: Final answer
    x = 492,147.06

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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.