Home / 814,591.92-1,221,488.16-334,732.80

Finding the Fourth Proportional to 814,591.92, 1,221,488.16 and 334,732.80

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Solution

The fourth proportional to 814,591.92, 1,221,488.16 and 334,732.80 is: 501,934.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,591.92 : 1,221,488.16 = 334,732.80 : x
  2. Step 2: Convert to fraction form
    814,591.92/1,221,488.16 = 334,732.80/x
  3. Step 3: Cross multiply
    814,591.92x = 1,221,488.16 × 334,732.80
  4. Step 4: Simplify right side
    814,591.92x = 408,872,151,963.65
  5. Step 5: Solve for x
    x = 408,872,151,963.65/814,591.92
  6. Step 6: Final answer
    x = 501,934.95

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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.