Home / 764,004.90-1,146,007.35-203,039.40

Finding the Fourth Proportional to 764,004.90, 1,146,007.35 and 203,039.40

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Solution

The fourth proportional to 764,004.90, 1,146,007.35 and 203,039.40 is: 304,559.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,004.90 : 1,146,007.35 = 203,039.40 : x
  2. Step 2: Convert to fraction form
    764,004.90/1,146,007.35 = 203,039.40/x
  3. Step 3: Cross multiply
    764,004.90x = 1,146,007.35 × 203,039.40
  4. Step 4: Simplify right side
    764,004.90x = 232,684,644,739.59
  5. Step 5: Solve for x
    x = 232,684,644,739.59/764,004.90
  6. Step 6: Final answer
    x = 304,559.10

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Similar ratio
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1.5x scale

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.