Home / 838,338.36-1,156,906.92-456,367.92

Finding the Fourth Proportional to 838,338.36, 1,156,906.92 and 456,367.92

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Solution

The fourth proportional to 838,338.36, 1,156,906.92 and 456,367.92 is: 629,787.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,338.36 : 1,156,906.92 = 456,367.92 : x
  2. Step 2: Convert to fraction form
    838,338.36/1,156,906.92 = 456,367.92/x
  3. Step 3: Cross multiply
    838,338.36x = 1,156,906.92 × 456,367.92
  4. Step 4: Simplify right side
    838,338.36x = 527,975,204,714.01
  5. Step 5: Solve for x
    x = 527,975,204,714.01/838,338.36
  6. Step 6: Final answer
    x = 629,787.72

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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.