Home / 826,951.41-1,239,639.66-265,592.25

Finding the Fourth Proportional to 826,951.41, 1,239,639.66 and 265,592.25

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Solution

The fourth proportional to 826,951.41, 1,239,639.66 and 265,592.25 is: 398,135.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,951.41 : 1,239,639.66 = 265,592.25 : x
  2. Step 2: Convert to fraction form
    826,951.41/1,239,639.66 = 265,592.25/x
  3. Step 3: Cross multiply
    826,951.41x = 1,239,639.66 × 265,592.25
  4. Step 4: Simplify right side
    826,951.41x = 329,238,686,488.64
  5. Step 5: Solve for x
    x = 329,238,686,488.64/826,951.41
  6. Step 6: Final answer
    x = 398,135.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.