Home / 426,127.89-588,039.30-235,138.80

Finding the Fourth Proportional to 426,127.89, 588,039.30 and 235,138.80

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Solution

The fourth proportional to 426,127.89, 588,039.30 and 235,138.80 is: 324,482.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,127.89 : 588,039.30 = 235,138.80 : x
  2. Step 2: Convert to fraction form
    426,127.89/588,039.30 = 235,138.80/x
  3. Step 3: Cross multiply
    426,127.89x = 588,039.30 × 235,138.80
  4. Step 4: Simplify right side
    426,127.89x = 138,270,855,354.84
  5. Step 5: Solve for x
    x = 138,270,855,354.84/426,127.89
  6. Step 6: Final answer
    x = 324,482.06

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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.