Home / 386,743.47-533,738.15-214,677.60

Finding the Fourth Proportional to 386,743.47, 533,738.15 and 214,677.60

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Solution

The fourth proportional to 386,743.47, 533,738.15 and 214,677.60 is: 296,272.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,743.47 : 533,738.15 = 214,677.60 : x
  2. Step 2: Convert to fraction form
    386,743.47/533,738.15 = 214,677.60/x
  3. Step 3: Cross multiply
    386,743.47x = 533,738.15 × 214,677.60
  4. Step 4: Simplify right side
    386,743.47x = 114,581,623,997.05
  5. Step 5: Solve for x
    x = 114,581,623,997.05/386,743.47
  6. Step 6: Final answer
    x = 296,272.94

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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.