Home / 837,818.91-1,156,155.55-455,847.21

Finding the Fourth Proportional to 837,818.91, 1,156,155.55 and 455,847.21

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Solution

The fourth proportional to 837,818.91, 1,156,155.55 and 455,847.21 is: 629,050.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,818.91 : 1,156,155.55 = 455,847.21 : x
  2. Step 2: Convert to fraction form
    837,818.91/1,156,155.55 = 455,847.21/x
  3. Step 3: Cross multiply
    837,818.91x = 1,156,155.55 × 455,847.21
  4. Step 4: Simplify right side
    837,818.91x = 527,030,280,653.90
  5. Step 5: Solve for x
    x = 527,030,280,653.90/837,818.91
  6. Step 6: Final answer
    x = 629,050.35

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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.