Home / 816,773.28-1,222,538.64-436,744.80

Finding the Fourth Proportional to 816,773.28, 1,222,538.64 and 436,744.80

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Solution

The fourth proportional to 816,773.28, 1,222,538.64 and 436,744.80 is: 653,715.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,773.28 : 1,222,538.64 = 436,744.80 : x
  2. Step 2: Convert to fraction form
    816,773.28/1,222,538.64 = 436,744.80/x
  3. Step 3: Cross multiply
    816,773.28x = 1,222,538.64 × 436,744.80
  4. Step 4: Simplify right side
    816,773.28x = 533,937,393,819.07
  5. Step 5: Solve for x
    x = 533,937,393,819.07/816,773.28
  6. Step 6: Final answer
    x = 653,715.55

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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.