Home / 353,026.80-529,540.20-314,319.60

Finding the Fourth Proportional to 353,026.80, 529,540.20 and 314,319.60

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Solution

The fourth proportional to 353,026.80, 529,540.20 and 314,319.60 is: 471,479.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,026.80 : 529,540.20 = 314,319.60 : x
  2. Step 2: Convert to fraction form
    353,026.80/529,540.20 = 314,319.60/x
  3. Step 3: Cross multiply
    353,026.80x = 529,540.20 × 314,319.60
  4. Step 4: Simplify right side
    353,026.80x = 166,444,863,847.92
  5. Step 5: Solve for x
    x = 166,444,863,847.92/353,026.80
  6. Step 6: Final answer
    x = 471,479.40

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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.