Home / 635,823.36-877,433.58-349,342.56

Finding the Fourth Proportional to 635,823.36, 877,433.58 and 349,342.56

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Solution

The fourth proportional to 635,823.36, 877,433.58 and 349,342.56 is: 482,091.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,823.36 : 877,433.58 = 349,342.56 : x
  2. Step 2: Convert to fraction form
    635,823.36/877,433.58 = 349,342.56/x
  3. Step 3: Cross multiply
    635,823.36x = 877,433.58 × 349,342.56
  4. Step 4: Simplify right side
    635,823.36x = 306,524,893,067.17
  5. Step 5: Solve for x
    x = 306,524,893,067.17/635,823.36
  6. Step 6: Final answer
    x = 482,091.27

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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.