Home / 386,741.60-533,735.55-214,675.73

Finding the Fourth Proportional to 386,741.60, 533,735.55 and 214,675.73

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Solution

The fourth proportional to 386,741.60, 533,735.55 and 214,675.73 is: 296,270.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,741.60 : 533,735.55 = 214,675.73 : x
  2. Step 2: Convert to fraction form
    386,741.60/533,735.55 = 214,675.73/x
  3. Step 3: Cross multiply
    386,741.60x = 533,735.55 × 214,675.73
  4. Step 4: Simplify right side
    386,741.60x = 114,580,066,154.52
  5. Step 5: Solve for x
    x = 114,580,066,154.52/386,741.60
  6. Step 6: Final answer
    x = 296,270.35

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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.