Home / 809,518.68-1,117,128.60-446,934.72

Finding the Fourth Proportional to 809,518.68, 1,117,128.60 and 446,934.72

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Solution

The fourth proportional to 809,518.68, 1,117,128.60 and 446,934.72 is: 616,765.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,518.68 : 1,117,128.60 = 446,934.72 : x
  2. Step 2: Convert to fraction form
    809,518.68/1,117,128.60 = 446,934.72/x
  3. Step 3: Cross multiply
    809,518.68x = 1,117,128.60 × 446,934.72
  4. Step 4: Simplify right side
    809,518.68x = 499,283,558,044.99
  5. Step 5: Solve for x
    x = 499,283,558,044.99/809,518.68
  6. Step 6: Final answer
    x = 616,765.95

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.