Home / 445,126.68-614,487.69-254,103.17

Finding the Fourth Proportional to 445,126.68, 614,487.69 and 254,103.17

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Solution

The fourth proportional to 445,126.68, 614,487.69 and 254,103.17 is: 350,783.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,126.68 : 614,487.69 = 254,103.17 : x
  2. Step 2: Convert to fraction form
    445,126.68/614,487.69 = 254,103.17/x
  3. Step 3: Cross multiply
    445,126.68x = 614,487.69 × 254,103.17
  4. Step 4: Simplify right side
    445,126.68x = 156,143,266,882.54
  5. Step 5: Solve for x
    x = 156,143,266,882.54/445,126.68
  6. Step 6: Final answer
    x = 350,783.89

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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.