Home / 837,787.20-1,156,151.40-455,816.76

Finding the Fourth Proportional to 837,787.20, 1,156,151.40 and 455,816.76

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Solution

The fourth proportional to 837,787.20, 1,156,151.40 and 455,816.76 is: 629,029.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,787.20 : 1,156,151.40 = 455,816.76 : x
  2. Step 2: Convert to fraction form
    837,787.20/1,156,151.40 = 455,816.76/x
  3. Step 3: Cross multiply
    837,787.20x = 1,156,151.40 × 455,816.76
  4. Step 4: Simplify right side
    837,787.20x = 526,993,185,217.46
  5. Step 5: Solve for x
    x = 526,993,185,217.46/837,787.20
  6. Step 6: Final answer
    x = 629,029.88

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Double scale
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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.