Home / 591,956.24-815,783.54-428,335.83

Finding the Fourth Proportional to 591,956.24, 815,783.54 and 428,335.83

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Solution

The fourth proportional to 591,956.24, 815,783.54 and 428,335.83 is: 590,295.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,956.24 : 815,783.54 = 428,335.83 : x
  2. Step 2: Convert to fraction form
    591,956.24/815,783.54 = 428,335.83/x
  3. Step 3: Cross multiply
    591,956.24x = 815,783.54 × 428,335.83
  4. Step 4: Simplify right side
    591,956.24x = 349,429,317,564.56
  5. Step 5: Solve for x
    x = 349,429,317,564.56/591,956.24
  6. Step 6: Final answer
    x = 590,295.86

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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.