Home / 837,784.16-1,156,107.84-455,811.32

Finding the Fourth Proportional to 837,784.16, 1,156,107.84 and 455,811.32

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Solution

The fourth proportional to 837,784.16, 1,156,107.84 and 455,811.32 is: 629,000.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,784.16 : 1,156,107.84 = 455,811.32 : x
  2. Step 2: Convert to fraction form
    837,784.16/1,156,107.84 = 455,811.32/x
  3. Step 3: Cross multiply
    837,784.16x = 1,156,107.84 × 455,811.32
  4. Step 4: Simplify right side
    837,784.16x = 526,967,040,612.75
  5. Step 5: Solve for x
    x = 526,967,040,612.75/837,784.16
  6. Step 6: Final answer
    x = 629,000.96

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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.