Home / 810,668.96-1,118,727.68-443,146.71

Finding the Fourth Proportional to 810,668.96, 1,118,727.68 and 443,146.71

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Solution

The fourth proportional to 810,668.96, 1,118,727.68 and 443,146.71 is: 611,544.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,668.96 : 1,118,727.68 = 443,146.71 : x
  2. Step 2: Convert to fraction form
    810,668.96/1,118,727.68 = 443,146.71/x
  3. Step 3: Cross multiply
    810,668.96x = 1,118,727.68 × 443,146.71
  4. Step 4: Simplify right side
    810,668.96x = 495,760,488,562.20
  5. Step 5: Solve for x
    x = 495,760,488,562.20/810,668.96
  6. Step 6: Final answer
    x = 611,544.93

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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.