Home / 442,161.68-609,565.25-373,904.80

Finding the Fourth Proportional to 442,161.68, 609,565.25 and 373,904.80

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Solution

The fourth proportional to 442,161.68, 609,565.25 and 373,904.80 is: 515,466.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,161.68 : 609,565.25 = 373,904.80 : x
  2. Step 2: Convert to fraction form
    442,161.68/609,565.25 = 373,904.80/x
  3. Step 3: Cross multiply
    442,161.68x = 609,565.25 × 373,904.80
  4. Step 4: Simplify right side
    442,161.68x = 227,919,372,299.05
  5. Step 5: Solve for x
    x = 227,919,372,299.05/442,161.68
  6. Step 6: Final answer
    x = 515,466.14

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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.