Home / 838,282.52-1,156,782.96-456,286.52

Finding the Fourth Proportional to 838,282.52, 1,156,782.96 and 456,286.52

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Solution

The fourth proportional to 838,282.52, 1,156,782.96 and 456,286.52 is: 629,649.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,282.52 : 1,156,782.96 = 456,286.52 : x
  2. Step 2: Convert to fraction form
    838,282.52/1,156,782.96 = 456,286.52/x
  3. Step 3: Cross multiply
    838,282.52x = 1,156,782.96 × 456,286.52
  4. Step 4: Simplify right side
    838,282.52x = 527,824,471,213.70
  5. Step 5: Solve for x
    x = 527,824,471,213.70/838,282.52
  6. Step 6: Final answer
    x = 629,649.86

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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.