Home / 443,451.07-611,963.05-252,464.46

Finding the Fourth Proportional to 443,451.07, 611,963.05 and 252,464.46

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Solution

The fourth proportional to 443,451.07, 611,963.05 and 252,464.46 is: 348,401.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,451.07 : 611,963.05 = 252,464.46 : x
  2. Step 2: Convert to fraction form
    443,451.07/611,963.05 = 252,464.46/x
  3. Step 3: Cross multiply
    443,451.07x = 611,963.05 × 252,464.46
  4. Step 4: Simplify right side
    443,451.07x = 154,498,917,898.39
  5. Step 5: Solve for x
    x = 154,498,917,898.39/443,451.07
  6. Step 6: Final answer
    x = 348,401.27

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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.