Home / 386,643.08-533,566.29-214,586.96

Finding the Fourth Proportional to 386,643.08, 533,566.29 and 214,586.96

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Solution

The fourth proportional to 386,643.08, 533,566.29 and 214,586.96 is: 296,129.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,643.08 : 533,566.29 = 214,586.96 : x
  2. Step 2: Convert to fraction form
    386,643.08/533,566.29 = 214,586.96/x
  3. Step 3: Cross multiply
    386,643.08x = 533,566.29 × 214,586.96
  4. Step 4: Simplify right side
    386,643.08x = 114,496,365,461.75
  5. Step 5: Solve for x
    x = 114,496,365,461.75/386,643.08
  6. Step 6: Final answer
    x = 296,129.36

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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.