Home / 443,343.20-611,814.32-252,356.60

Finding the Fourth Proportional to 443,343.20, 611,814.32 and 252,356.60

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Solution

The fourth proportional to 443,343.20, 611,814.32 and 252,356.60 is: 348,252.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,343.20 : 611,814.32 = 252,356.60 : x
  2. Step 2: Convert to fraction form
    443,343.20/611,814.32 = 252,356.60/x
  3. Step 3: Cross multiply
    443,343.20x = 611,814.32 × 252,356.60
  4. Step 4: Simplify right side
    443,343.20x = 154,395,377,305.66
  5. Step 5: Solve for x
    x = 154,395,377,305.66/443,343.20
  6. Step 6: Final answer
    x = 348,252.50

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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.