Home / 451,715.50-677,541.55-211,882.02

Finding the Fourth Proportional to 451,715.50, 677,541.55 and 211,882.02

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Solution

The fourth proportional to 451,715.50, 677,541.55 and 211,882.02 is: 317,808.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,715.50 : 677,541.55 = 211,882.02 : x
  2. Step 2: Convert to fraction form
    451,715.50/677,541.55 = 211,882.02/x
  3. Step 3: Cross multiply
    451,715.50x = 677,541.55 × 211,882.02
  4. Step 4: Simplify right side
    451,715.50x = 143,558,872,247.93
  5. Step 5: Solve for x
    x = 143,558,872,247.93/451,715.50
  6. Step 6: Final answer
    x = 317,808.16

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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.