Home / 531,286.56-797,054.45-211,457.79

Finding the Fourth Proportional to 531,286.56, 797,054.45 and 211,457.79

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Solution

The fourth proportional to 531,286.56, 797,054.45 and 211,457.79 is: 317,236.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,286.56 : 797,054.45 = 211,457.79 : x
  2. Step 2: Convert to fraction form
    531,286.56/797,054.45 = 211,457.79/x
  3. Step 3: Cross multiply
    531,286.56x = 797,054.45 × 211,457.79
  4. Step 4: Simplify right side
    531,286.56x = 168,543,371,449.38
  5. Step 5: Solve for x
    x = 168,543,371,449.38/531,286.56
  6. Step 6: Final answer
    x = 317,236.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.