Home / 447,148.14-616,882.34-253,515.08

Finding the Fourth Proportional to 447,148.14, 616,882.34 and 253,515.08

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Solution

The fourth proportional to 447,148.14, 616,882.34 and 253,515.08 is: 349,747.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,148.14 : 616,882.34 = 253,515.08 : x
  2. Step 2: Convert to fraction form
    447,148.14/616,882.34 = 253,515.08/x
  3. Step 3: Cross multiply
    447,148.14x = 616,882.34 × 253,515.08
  4. Step 4: Simplify right side
    447,148.14x = 156,388,975,775.69
  5. Step 5: Solve for x
    x = 156,388,975,775.69/447,148.14
  6. Step 6: Final answer
    x = 349,747.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.