Home / 386,890.46-533,925.51-214,808.43

Finding the Fourth Proportional to 386,890.46, 533,925.51 and 214,808.43

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Solution

The fourth proportional to 386,890.46, 533,925.51 and 214,808.43 is: 296,444.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,890.46 : 533,925.51 = 214,808.43 : x
  2. Step 2: Convert to fraction form
    386,890.46/533,925.51 = 214,808.43/x
  3. Step 3: Cross multiply
    386,890.46x = 533,925.51 × 214,808.43
  4. Step 4: Simplify right side
    386,890.46x = 114,691,699,734.52
  5. Step 5: Solve for x
    x = 114,691,699,734.52/386,890.46
  6. Step 6: Final answer
    x = 296,444.89

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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.