Home / 755,736.49-1,042,877.86-416,139.13

Finding the Fourth Proportional to 755,736.49, 1,042,877.86 and 416,139.13

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Solution

The fourth proportional to 755,736.49, 1,042,877.86 and 416,139.13 is: 574,250.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,736.49 : 1,042,877.86 = 416,139.13 : x
  2. Step 2: Convert to fraction form
    755,736.49/1,042,877.86 = 416,139.13/x
  3. Step 3: Cross multiply
    755,736.49x = 1,042,877.86 × 416,139.13
  4. Step 4: Simplify right side
    755,736.49x = 433,982,285,356.66
  5. Step 5: Solve for x
    x = 433,982,285,356.66/755,736.49
  6. Step 6: Final answer
    x = 574,250.80

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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.