Home / 352,451.49-528,503.64-127,778.25

Finding the Fourth Proportional to 352,451.49, 528,503.64 and 127,778.25

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Solution

The fourth proportional to 352,451.49, 528,503.64 and 127,778.25 is: 191,604.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,451.49 : 528,503.64 = 127,778.25 : x
  2. Step 2: Convert to fraction form
    352,451.49/528,503.64 = 127,778.25/x
  3. Step 3: Cross multiply
    352,451.49x = 528,503.64 × 127,778.25
  4. Step 4: Simplify right side
    352,451.49x = 67,531,270,237.83
  5. Step 5: Solve for x
    x = 67,531,270,237.83/352,451.49
  6. Step 6: Final answer
    x = 191,604.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.