Home / 395,176.20-591,036.30-353,358.60

Finding the Fourth Proportional to 395,176.20, 591,036.30 and 353,358.60

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Solution

The fourth proportional to 395,176.20, 591,036.30 and 353,358.60 is: 528,492.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,176.20 : 591,036.30 = 353,358.60 : x
  2. Step 2: Convert to fraction form
    395,176.20/591,036.30 = 353,358.60/x
  3. Step 3: Cross multiply
    395,176.20x = 591,036.30 × 353,358.60
  4. Step 4: Simplify right side
    395,176.20x = 208,847,759,517.18
  5. Step 5: Solve for x
    x = 208,847,759,517.18/395,176.20
  6. Step 6: Final answer
    x = 528,492.76

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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.