Home / 447,019.28-616,634.12-265,789.65

Finding the Fourth Proportional to 447,019.28, 616,634.12 and 265,789.65

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Solution

The fourth proportional to 447,019.28, 616,634.12 and 265,789.65 is: 366,639.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,019.28 : 616,634.12 = 265,789.65 : x
  2. Step 2: Convert to fraction form
    447,019.28/616,634.12 = 265,789.65/x
  3. Step 3: Cross multiply
    447,019.28x = 616,634.12 × 265,789.65
  4. Step 4: Simplify right side
    447,019.28x = 163,894,966,932.86
  5. Step 5: Solve for x
    x = 163,894,966,932.86/447,019.28
  6. Step 6: Final answer
    x = 366,639.59

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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.