Home / 641,190.52-884,187.66-426,365.56

Finding the Fourth Proportional to 641,190.52, 884,187.66 and 426,365.56

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Solution

The fourth proportional to 641,190.52, 884,187.66 and 426,365.56 is: 587,948.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,190.52 : 884,187.66 = 426,365.56 : x
  2. Step 2: Convert to fraction form
    641,190.52/884,187.66 = 426,365.56/x
  3. Step 3: Cross multiply
    641,190.52x = 884,187.66 × 426,365.56
  4. Step 4: Simplify right side
    641,190.52x = 376,987,166,800.99
  5. Step 5: Solve for x
    x = 376,987,166,800.99/641,190.52
  6. Step 6: Final answer
    x = 587,948.75

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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.