Home / 353,265.80-529,121.10-313,867.40

Finding the Fourth Proportional to 353,265.80, 529,121.10 and 313,867.40

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Solution

The fourth proportional to 353,265.80, 529,121.10 and 313,867.40 is: 470,110.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,265.80 : 529,121.10 = 313,867.40 : x
  2. Step 2: Convert to fraction form
    353,265.80/529,121.10 = 313,867.40/x
  3. Step 3: Cross multiply
    353,265.80x = 529,121.10 × 313,867.40
  4. Step 4: Simplify right side
    353,265.80x = 166,073,863,942.14
  5. Step 5: Solve for x
    x = 166,073,863,942.14/353,265.80
  6. Step 6: Final answer
    x = 470,110.22

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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.