Home / 777,210.39-1,165,857.21-244,772.91

Finding the Fourth Proportional to 777,210.39, 1,165,857.21 and 244,772.91

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Solution

The fourth proportional to 777,210.39, 1,165,857.21 and 244,772.91 is: 367,172.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,210.39 : 1,165,857.21 = 244,772.91 : x
  2. Step 2: Convert to fraction form
    777,210.39/1,165,857.21 = 244,772.91/x
  3. Step 3: Cross multiply
    777,210.39x = 1,165,857.21 × 244,772.91
  4. Step 4: Simplify right side
    777,210.39x = 285,370,261,936.18
  5. Step 5: Solve for x
    x = 285,370,261,936.18/777,210.39
  6. Step 6: Final answer
    x = 367,172.47

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1.5x scale

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.