Home / 386,892.43-533,928.23-214,810.40

Finding the Fourth Proportional to 386,892.43, 533,928.23 and 214,810.40

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Solution

The fourth proportional to 386,892.43, 533,928.23 and 214,810.40 is: 296,447.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,892.43 : 533,928.23 = 214,810.40 : x
  2. Step 2: Convert to fraction form
    386,892.43/533,928.23 = 214,810.40/x
  3. Step 3: Cross multiply
    386,892.43x = 533,928.23 × 214,810.40
  4. Step 4: Simplify right side
    386,892.43x = 114,693,336,657.59
  5. Step 5: Solve for x
    x = 114,693,336,657.59/386,892.43
  6. Step 6: Final answer
    x = 296,447.61

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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.