Home / 426,620.72-588,740.20-235,637.30

Finding the Fourth Proportional to 426,620.72, 588,740.20 and 235,637.30

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Solution

The fourth proportional to 426,620.72, 588,740.20 and 235,637.30 is: 325,181.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,620.72 : 588,740.20 = 235,637.30 : x
  2. Step 2: Convert to fraction form
    426,620.72/588,740.20 = 235,637.30/x
  3. Step 3: Cross multiply
    426,620.72x = 588,740.20 × 235,637.30
  4. Step 4: Simplify right side
    426,620.72x = 138,729,152,012.22
  5. Step 5: Solve for x
    x = 138,729,152,012.22/426,620.72
  6. Step 6: Final answer
    x = 325,181.47

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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.