Home / 809,736.16-1,117,423.20-447,151

Finding the Fourth Proportional to 809,736.16, 1,117,423.20 and 447,151

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Solution

The fourth proportional to 809,736.16, 1,117,423.20 and 447,151 is: 617,061.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,736.16 : 1,117,423.20 = 447,151 : x
  2. Step 2: Convert to fraction form
    809,736.16/1,117,423.20 = 447,151/x
  3. Step 3: Cross multiply
    809,736.16x = 1,117,423.20 × 447,151
  4. Step 4: Simplify right side
    809,736.16x = 499,656,901,303.20
  5. Step 5: Solve for x
    x = 499,656,901,303.20/809,736.16
  6. Step 6: Final answer
    x = 617,061.37

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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.