Home / 593,381.20-890,071.60-394,090.68

Finding the Fourth Proportional to 593,381.20, 890,071.60 and 394,090.68

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Solution

The fourth proportional to 593,381.20, 890,071.60 and 394,090.68 is: 591,135.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,381.20 : 890,071.60 = 394,090.68 : x
  2. Step 2: Convert to fraction form
    593,381.20/890,071.60 = 394,090.68/x
  3. Step 3: Cross multiply
    593,381.20x = 890,071.60 × 394,090.68
  4. Step 4: Simplify right side
    593,381.20x = 350,768,922,092.69
  5. Step 5: Solve for x
    x = 350,768,922,092.69/593,381.20
  6. Step 6: Final answer
    x = 591,135.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.