Home / 411,926.28-618,924.60-262,233.42

Finding the Fourth Proportional to 411,926.28, 618,924.60 and 262,233.42

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Solution

The fourth proportional to 411,926.28, 618,924.60 and 262,233.42 is: 394,009.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,926.28 : 618,924.60 = 262,233.42 : x
  2. Step 2: Convert to fraction form
    411,926.28/618,924.60 = 262,233.42/x
  3. Step 3: Cross multiply
    411,926.28x = 618,924.60 × 262,233.42
  4. Step 4: Simplify right side
    411,926.28x = 162,302,714,580.13
  5. Step 5: Solve for x
    x = 162,302,714,580.13/411,926.28
  6. Step 6: Final answer
    x = 394,009.13

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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.