Home / 443,320.74-611,786.52-252,346.42

Finding the Fourth Proportional to 443,320.74, 611,786.52 and 252,346.42

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Solution

The fourth proportional to 443,320.74, 611,786.52 and 252,346.42 is: 348,240.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,320.74 : 611,786.52 = 252,346.42 : x
  2. Step 2: Convert to fraction form
    443,320.74/611,786.52 = 252,346.42/x
  3. Step 3: Cross multiply
    443,320.74x = 611,786.52 × 252,346.42
  4. Step 4: Simplify right side
    443,320.74x = 154,382,138,126.26
  5. Step 5: Solve for x
    x = 154,382,138,126.26/443,320.74
  6. Step 6: Final answer
    x = 348,240.28

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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.