Home / 811,511.22-1,119,969.57-467,359.44

Finding the Fourth Proportional to 811,511.22, 1,119,969.57 and 467,359.44

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Solution

The fourth proportional to 811,511.22, 1,119,969.57 and 467,359.44 is: 645,004.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,511.22 : 1,119,969.57 = 467,359.44 : x
  2. Step 2: Convert to fraction form
    811,511.22/1,119,969.57 = 467,359.44/x
  3. Step 3: Cross multiply
    811,511.22x = 1,119,969.57 × 467,359.44
  4. Step 4: Simplify right side
    811,511.22x = 523,428,351,052.24
  5. Step 5: Solve for x
    x = 523,428,351,052.24/811,511.22
  6. Step 6: Final answer
    x = 645,004.45

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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.