Home / 386,935.18-533,944.50-214,844.30

Finding the Fourth Proportional to 386,935.18, 533,944.50 and 214,844.30

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Solution

The fourth proportional to 386,935.18, 533,944.50 and 214,844.30 is: 296,470.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,935.18 : 533,944.50 = 214,844.30 : x
  2. Step 2: Convert to fraction form
    386,935.18/533,944.50 = 214,844.30/x
  3. Step 3: Cross multiply
    386,935.18x = 533,944.50 × 214,844.30
  4. Step 4: Simplify right side
    386,935.18x = 114,714,932,341.35
  5. Step 5: Solve for x
    x = 114,714,932,341.35/386,935.18
  6. Step 6: Final answer
    x = 296,470.67

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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.