Home / 356,019.48-491,448.60-233,558.42

Finding the Fourth Proportional to 356,019.48, 491,448.60 and 233,558.42

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Solution

The fourth proportional to 356,019.48, 491,448.60 and 233,558.42 is: 322,403.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,019.48 : 491,448.60 = 233,558.42 : x
  2. Step 2: Convert to fraction form
    356,019.48/491,448.60 = 233,558.42/x
  3. Step 3: Cross multiply
    356,019.48x = 491,448.60 × 233,558.42
  4. Step 4: Simplify right side
    356,019.48x = 114,781,956,069.97
  5. Step 5: Solve for x
    x = 114,781,956,069.97/356,019.48
  6. Step 6: Final answer
    x = 322,403.58

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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.