Home / 957,680.75-1,321,609.62-527,976.27

Finding the Fourth Proportional to 957,680.75, 1,321,609.62 and 527,976.27

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Solution

The fourth proportional to 957,680.75, 1,321,609.62 and 527,976.27 is: 728,612.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,680.75 : 1,321,609.62 = 527,976.27 : x
  2. Step 2: Convert to fraction form
    957,680.75/1,321,609.62 = 527,976.27/x
  3. Step 3: Cross multiply
    957,680.75x = 1,321,609.62 × 527,976.27
  4. Step 4: Simplify right side
    957,680.75x = 697,778,517,563.72
  5. Step 5: Solve for x
    x = 697,778,517,563.72/957,680.75
  6. Step 6: Final answer
    x = 728,612.87

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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.