Home / 635,741.88-877,339.26-349,280.52

Finding the Fourth Proportional to 635,741.88, 877,339.26 and 349,280.52

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Solution

The fourth proportional to 635,741.88, 877,339.26 and 349,280.52 is: 482,015.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,741.88 : 877,339.26 = 349,280.52 : x
  2. Step 2: Convert to fraction form
    635,741.88/877,339.26 = 349,280.52/x
  3. Step 3: Cross multiply
    635,741.88x = 877,339.26 × 349,280.52
  4. Step 4: Simplify right side
    635,741.88x = 306,437,512,949.22
  5. Step 5: Solve for x
    x = 306,437,512,949.22/635,741.88
  6. Step 6: Final answer
    x = 482,015.61

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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.