Home / 404,053.47-557,659.58-243,071.24

Finding the Fourth Proportional to 404,053.47, 557,659.58 and 243,071.24

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Solution

The fourth proportional to 404,053.47, 557,659.58 and 243,071.24 is: 335,477.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,053.47 : 557,659.58 = 243,071.24 : x
  2. Step 2: Convert to fraction form
    404,053.47/557,659.58 = 243,071.24/x
  3. Step 3: Cross multiply
    404,053.47x = 557,659.58 × 243,071.24
  4. Step 4: Simplify right side
    404,053.47x = 135,551,001,604.83
  5. Step 5: Solve for x
    x = 135,551,001,604.83/404,053.47
  6. Step 6: Final answer
    x = 335,477.88

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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.