Home / 635,490.09-876,983.24-349,010.17

Finding the Fourth Proportional to 635,490.09, 876,983.24 and 349,010.17

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Solution

The fourth proportional to 635,490.09, 876,983.24 and 349,010.17 is: 481,637.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,490.09 : 876,983.24 = 349,010.17 : x
  2. Step 2: Convert to fraction form
    635,490.09/876,983.24 = 349,010.17/x
  3. Step 3: Cross multiply
    635,490.09x = 876,983.24 × 349,010.17
  4. Step 4: Simplify right side
    635,490.09x = 306,076,073,418.48
  5. Step 5: Solve for x
    x = 306,076,073,418.48/635,490.09
  6. Step 6: Final answer
    x = 481,637.84

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Double scale
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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.