Home / 467,748.86-645,458.37-276,724.94

Finding the Fourth Proportional to 467,748.86, 645,458.37 and 276,724.94

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Solution

The fourth proportional to 467,748.86, 645,458.37 and 276,724.94 is: 381,859.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,748.86 : 645,458.37 = 276,724.94 : x
  2. Step 2: Convert to fraction form
    467,748.86/645,458.37 = 276,724.94/x
  3. Step 3: Cross multiply
    467,748.86x = 645,458.37 × 276,724.94
  4. Step 4: Simplify right side
    467,748.86x = 178,614,428,710.75
  5. Step 5: Solve for x
    x = 178,614,428,710.75/467,748.86
  6. Step 6: Final answer
    x = 381,859.68

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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.