Home / 809,588.81-1,117,211.26-447,004.86

Finding the Fourth Proportional to 809,588.81, 1,117,211.26 and 447,004.86

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Solution

The fourth proportional to 809,588.81, 1,117,211.26 and 447,004.86 is: 616,854.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,588.81 : 1,117,211.26 = 447,004.86 : x
  2. Step 2: Convert to fraction form
    809,588.81/1,117,211.26 = 447,004.86/x
  3. Step 3: Cross multiply
    809,588.81x = 1,117,211.26 × 447,004.86
  4. Step 4: Simplify right side
    809,588.81x = 499,398,862,866.72
  5. Step 5: Solve for x
    x = 499,398,862,866.72/809,588.81
  6. Step 6: Final answer
    x = 616,854.95

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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.