Home / 811,604.28-1,217,559.42-250,507.56

Finding the Fourth Proportional to 811,604.28, 1,217,559.42 and 250,507.56

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Solution

The fourth proportional to 811,604.28, 1,217,559.42 and 250,507.56 is: 375,808.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,604.28 : 1,217,559.42 = 250,507.56 : x
  2. Step 2: Convert to fraction form
    811,604.28/1,217,559.42 = 250,507.56/x
  3. Step 3: Cross multiply
    811,604.28x = 1,217,559.42 × 250,507.56
  4. Step 4: Simplify right side
    811,604.28x = 305,007,839,459.22
  5. Step 5: Solve for x
    x = 305,007,839,459.22/811,604.28
  6. Step 6: Final answer
    x = 375,808.56

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Double scale
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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.