Home / 325,365.38-487,412.46-224,145.55

Finding the Fourth Proportional to 325,365.38, 487,412.46 and 224,145.55

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Solution

The fourth proportional to 325,365.38, 487,412.46 and 224,145.55 is: 335,780.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,365.38 : 487,412.46 = 224,145.55 : x
  2. Step 2: Convert to fraction form
    325,365.38/487,412.46 = 224,145.55/x
  3. Step 3: Cross multiply
    325,365.38x = 487,412.46 × 224,145.55
  4. Step 4: Simplify right side
    325,365.38x = 109,251,334,532.82
  5. Step 5: Solve for x
    x = 109,251,334,532.82/325,365.38
  6. Step 6: Final answer
    x = 335,780.45

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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.