Home / 513,556.02-770,334.35-193,621.01

Finding the Fourth Proportional to 513,556.02, 770,334.35 and 193,621.01

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Solution

The fourth proportional to 513,556.02, 770,334.35 and 193,621.01 is: 290,431.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,556.02 : 770,334.35 = 193,621.01 : x
  2. Step 2: Convert to fraction form
    513,556.02/770,334.35 = 193,621.01/x
  3. Step 3: Cross multiply
    513,556.02x = 770,334.35 × 193,621.01
  4. Step 4: Simplify right side
    513,556.02x = 149,152,910,064.92
  5. Step 5: Solve for x
    x = 149,152,910,064.92/513,556.02
  6. Step 6: Final answer
    x = 290,431.63

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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.