Home / 404,212.68-557,972.96-243,036.59

Finding the Fourth Proportional to 404,212.68, 557,972.96 and 243,036.59

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Solution

The fourth proportional to 404,212.68, 557,972.96 and 243,036.59 is: 335,486.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,212.68 : 557,972.96 = 243,036.59 : x
  2. Step 2: Convert to fraction form
    404,212.68/557,972.96 = 243,036.59/x
  3. Step 3: Cross multiply
    404,212.68x = 557,972.96 × 243,036.59
  4. Step 4: Simplify right side
    404,212.68x = 135,607,841,505.56
  5. Step 5: Solve for x
    x = 135,607,841,505.56/404,212.68
  6. Step 6: Final answer
    x = 335,486.36

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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.