Home / 521,236.31-719,301.25-294,881.81

Finding the Fourth Proportional to 521,236.31, 719,301.25 and 294,881.81

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Solution

The fourth proportional to 521,236.31, 719,301.25 and 294,881.81 is: 406,934.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,236.31 : 719,301.25 = 294,881.81 : x
  2. Step 2: Convert to fraction form
    521,236.31/719,301.25 = 294,881.81/x
  3. Step 3: Cross multiply
    521,236.31x = 719,301.25 × 294,881.81
  4. Step 4: Simplify right side
    521,236.31x = 212,108,855,596.31
  5. Step 5: Solve for x
    x = 212,108,855,596.31/521,236.31
  6. Step 6: Final answer
    x = 406,934.15

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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.