Home / 810,512.00-1,118,613.48-783,895.86

Finding the Fourth Proportional to 810,512.00, 1,118,613.48 and 783,895.86

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Solution

The fourth proportional to 810,512.00, 1,118,613.48 and 783,895.86 is: 1,081,879.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,512.00 : 1,118,613.48 = 783,895.86 : x
  2. Step 2: Convert to fraction form
    810,512.00/1,118,613.48 = 783,895.86/x
  3. Step 3: Cross multiply
    810,512.00x = 1,118,613.48 × 783,895.86
  4. Step 4: Simplify right side
    810,512.00x = 876,876,472,972.58
  5. Step 5: Solve for x
    x = 876,876,472,972.58/810,512.00
  6. Step 6: Final answer
    x = 1,081,879.69

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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.