Home / 591,630.40-886,927.20-354,721.60

Finding the Fourth Proportional to 591,630.40, 886,927.20 and 354,721.60

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Solution

The fourth proportional to 591,630.40, 886,927.20 and 354,721.60 is: 531,771.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,630.40 : 886,927.20 = 354,721.60 : x
  2. Step 2: Convert to fraction form
    591,630.40/886,927.20 = 354,721.60/x
  3. Step 3: Cross multiply
    591,630.40x = 886,927.20 × 354,721.60
  4. Step 4: Simplify right side
    591,630.40x = 314,612,235,467.52
  5. Step 5: Solve for x
    x = 314,612,235,467.52/591,630.40
  6. Step 6: Final answer
    x = 531,771.58

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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.