Home / 524,287.47-784,739.66-271,219.47

Finding the Fourth Proportional to 524,287.47, 784,739.66 and 271,219.47

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Solution

The fourth proportional to 524,287.47, 784,739.66 and 271,219.47 is: 405,954.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,287.47 : 784,739.66 = 271,219.47 : x
  2. Step 2: Convert to fraction form
    524,287.47/784,739.66 = 271,219.47/x
  3. Step 3: Cross multiply
    524,287.47x = 784,739.66 × 271,219.47
  4. Step 4: Simplify right side
    524,287.47x = 212,836,673,317.08
  5. Step 5: Solve for x
    x = 212,836,673,317.08/524,287.47
  6. Step 6: Final answer
    x = 405,954.15

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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.