Home / 443,319.73-611,785.15-252,345.42

Finding the Fourth Proportional to 443,319.73, 611,785.15 and 252,345.42

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Solution

The fourth proportional to 443,319.73, 611,785.15 and 252,345.42 is: 348,238.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,319.73 : 611,785.15 = 252,345.42 : x
  2. Step 2: Convert to fraction form
    443,319.73/611,785.15 = 252,345.42/x
  3. Step 3: Cross multiply
    443,319.73x = 611,785.15 × 252,345.42
  4. Step 4: Simplify right side
    443,319.73x = 154,381,179,995.65
  5. Step 5: Solve for x
    x = 154,381,179,995.65/443,319.73
  6. Step 6: Final answer
    x = 348,238.91

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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.