Home / 467,467.28-645,416.04-276,541.84

Finding the Fourth Proportional to 467,467.28, 645,416.04 and 276,541.84

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Solution

The fourth proportional to 467,467.28, 645,416.04 and 276,541.84 is: 381,811.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,467.28 : 645,416.04 = 276,541.84 : x
  2. Step 2: Convert to fraction form
    467,467.28/645,416.04 = 276,541.84/x
  3. Step 3: Cross multiply
    467,467.28x = 645,416.04 × 276,541.84
  4. Step 4: Simplify right side
    467,467.28x = 178,484,539,267.11
  5. Step 5: Solve for x
    x = 178,484,539,267.11/467,467.28
  6. Step 6: Final answer
    x = 381,811.83

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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.