Home / 386,890.93-533,926.16-214,808.90

Finding the Fourth Proportional to 386,890.93, 533,926.16 and 214,808.90

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Solution

The fourth proportional to 386,890.93, 533,926.16 and 214,808.90 is: 296,445.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,890.93 : 533,926.16 = 214,808.90 : x
  2. Step 2: Convert to fraction form
    386,890.93/533,926.16 = 214,808.90/x
  3. Step 3: Cross multiply
    386,890.93x = 533,926.16 × 214,808.90
  4. Step 4: Simplify right side
    386,890.93x = 114,692,087,367.15
  5. Step 5: Solve for x
    x = 114,692,087,367.15/386,890.93
  6. Step 6: Final answer
    x = 296,445.53

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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.