Home / 764,555.75-1,146,076.10-359,022.01

Finding the Fourth Proportional to 764,555.75, 1,146,076.10 and 359,022.01

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Solution

The fourth proportional to 764,555.75, 1,146,076.10 and 359,022.01 is: 538,177.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,555.75 : 1,146,076.10 = 359,022.01 : x
  2. Step 2: Convert to fraction form
    764,555.75/1,146,076.10 = 359,022.01/x
  3. Step 3: Cross multiply
    764,555.75x = 1,146,076.10 × 359,022.01
  4. Step 4: Simplify right side
    764,555.75x = 411,466,543,239.85
  5. Step 5: Solve for x
    x = 411,466,543,239.85/764,555.75
  6. Step 6: Final answer
    x = 538,177.30

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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.