Home / 755,533.22-1,042,661.43-411,382.49

Finding the Fourth Proportional to 755,533.22, 1,042,661.43 and 411,382.49

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Solution

The fourth proportional to 755,533.22, 1,042,661.43 and 411,382.49 is: 567,721.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,533.22 : 1,042,661.43 = 411,382.49 : x
  2. Step 2: Convert to fraction form
    755,533.22/1,042,661.43 = 411,382.49/x
  3. Step 3: Cross multiply
    755,533.22x = 1,042,661.43 × 411,382.49
  4. Step 4: Simplify right side
    755,533.22x = 428,932,650,087.05
  5. Step 5: Solve for x
    x = 428,932,650,087.05/755,533.22
  6. Step 6: Final answer
    x = 567,721.76

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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.