Home / 812,196.33-1,218,501.86-243,575.25

Finding the Fourth Proportional to 812,196.33, 1,218,501.86 and 243,575.25

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Solution

The fourth proportional to 812,196.33, 1,218,501.86 and 243,575.25 is: 365,425.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,196.33 : 1,218,501.86 = 243,575.25 : x
  2. Step 2: Convert to fraction form
    812,196.33/1,218,501.86 = 243,575.25/x
  3. Step 3: Cross multiply
    812,196.33x = 1,218,501.86 × 243,575.25
  4. Step 4: Simplify right side
    812,196.33x = 296,796,893,957.09
  5. Step 5: Solve for x
    x = 296,796,893,957.09/812,196.33
  6. Step 6: Final answer
    x = 365,425.06

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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.