Home / 583,915.20-876,164.40-331,389.60

Finding the Fourth Proportional to 583,915.20, 876,164.40 and 331,389.60

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Solution

The fourth proportional to 583,915.20, 876,164.40 and 331,389.60 is: 497,249.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,915.20 : 876,164.40 = 331,389.60 : x
  2. Step 2: Convert to fraction form
    583,915.20/876,164.40 = 331,389.60/x
  3. Step 3: Cross multiply
    583,915.20x = 876,164.40 × 331,389.60
  4. Step 4: Simplify right side
    583,915.20x = 290,351,770,050.24
  5. Step 5: Solve for x
    x = 290,351,770,050.24/583,915.20
  6. Step 6: Final answer
    x = 497,249.89

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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.