Home / 353,764.80-529,869.60-314,366.40

Finding the Fourth Proportional to 353,764.80, 529,869.60 and 314,366.40

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Solution

The fourth proportional to 353,764.80, 529,869.60 and 314,366.40 is: 470,858.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,764.80 : 529,869.60 = 314,366.40 : x
  2. Step 2: Convert to fraction form
    353,764.80/529,869.60 = 314,366.40/x
  3. Step 3: Cross multiply
    353,764.80x = 529,869.60 × 314,366.40
  4. Step 4: Simplify right side
    353,764.80x = 166,573,198,621.44
  5. Step 5: Solve for x
    x = 166,573,198,621.44/353,764.80
  6. Step 6: Final answer
    x = 470,858.60

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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.