Home / 809,829.82-1,117,573.59-447,262.89

Finding the Fourth Proportional to 809,829.82, 1,117,573.59 and 447,262.89

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Solution

The fourth proportional to 809,829.82, 1,117,573.59 and 447,262.89 is: 617,227.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,829.82 : 1,117,573.59 = 447,262.89 : x
  2. Step 2: Convert to fraction form
    809,829.82/1,117,573.59 = 447,262.89/x
  3. Step 3: Cross multiply
    809,829.82x = 1,117,573.59 × 447,262.89
  4. Step 4: Simplify right side
    809,829.82x = 499,849,193,651.08
  5. Step 5: Solve for x
    x = 499,849,193,651.08/809,829.82
  6. Step 6: Final answer
    x = 617,227.45

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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.