Home / 837,485.46-1,256,211.18-206,404.74

Finding the Fourth Proportional to 837,485.46, 1,256,211.18 and 206,404.74

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Solution

The fourth proportional to 837,485.46, 1,256,211.18 and 206,404.74 is: 309,602.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,485.46 : 1,256,211.18 = 206,404.74 : x
  2. Step 2: Convert to fraction form
    837,485.46/1,256,211.18 = 206,404.74/x
  3. Step 3: Cross multiply
    837,485.46x = 1,256,211.18 × 206,404.74
  4. Step 4: Simplify right side
    837,485.46x = 259,287,941,992.99
  5. Step 5: Solve for x
    x = 259,287,941,992.99/837,485.46
  6. Step 6: Final answer
    x = 309,602.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.