Home / 492,227.12-679,276.20-277,370.48

Finding the Fourth Proportional to 492,227.12, 679,276.20 and 277,370.48

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Solution

The fourth proportional to 492,227.12, 679,276.20 and 277,370.48 is: 382,772.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,227.12 : 679,276.20 = 277,370.48 : x
  2. Step 2: Convert to fraction form
    492,227.12/679,276.20 = 277,370.48/x
  3. Step 3: Cross multiply
    492,227.12x = 679,276.20 × 277,370.48
  4. Step 4: Simplify right side
    492,227.12x = 188,411,165,646.58
  5. Step 5: Solve for x
    x = 188,411,165,646.58/492,227.12
  6. Step 6: Final answer
    x = 382,772.83

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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.