Home / 827,120.60-1,141,426.68-464,544.98

Finding the Fourth Proportional to 827,120.60, 1,141,426.68 and 464,544.98

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Solution

The fourth proportional to 827,120.60, 1,141,426.68 and 464,544.98 is: 641,072.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,120.60 : 1,141,426.68 = 464,544.98 : x
  2. Step 2: Convert to fraction form
    827,120.60/1,141,426.68 = 464,544.98/x
  3. Step 3: Cross multiply
    827,120.60x = 1,141,426.68 × 464,544.98
  4. Step 4: Simplify right side
    827,120.60x = 530,244,034,232.07
  5. Step 5: Solve for x
    x = 530,244,034,232.07/827,120.60
  6. Step 6: Final answer
    x = 641,072.21

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Double scale
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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.