Home / 442,566.21-663,847.13-382,411.64

Finding the Fourth Proportional to 442,566.21, 663,847.13 and 382,411.64

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Solution

The fourth proportional to 442,566.21, 663,847.13 and 382,411.64 is: 573,615.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,566.21 : 663,847.13 = 382,411.64 : x
  2. Step 2: Convert to fraction form
    442,566.21/663,847.13 = 382,411.64/x
  3. Step 3: Cross multiply
    442,566.21x = 663,847.13 × 382,411.64
  4. Step 4: Simplify right side
    442,566.21x = 253,862,867,329.39
  5. Step 5: Solve for x
    x = 253,862,867,329.39/442,566.21
  6. Step 6: Final answer
    x = 573,615.56

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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.