Home / 816,517.92-1,222,156.44-436,488.60

Finding the Fourth Proportional to 816,517.92, 1,222,156.44 and 436,488.60

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Solution

The fourth proportional to 816,517.92, 1,222,156.44 and 436,488.60 is: 653,332.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,517.92 : 1,222,156.44 = 436,488.60 : x
  2. Step 2: Convert to fraction form
    816,517.92/1,222,156.44 = 436,488.60/x
  3. Step 3: Cross multiply
    816,517.92x = 1,222,156.44 × 436,488.60
  4. Step 4: Simplify right side
    816,517.92x = 533,457,353,476.58
  5. Step 5: Solve for x
    x = 533,457,353,476.58/816,517.92
  6. Step 6: Final answer
    x = 653,332.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.