Home / 930,356.92-1,284,031.38-567,990.83

Finding the Fourth Proportional to 930,356.92, 1,284,031.38 and 567,990.83

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Solution

The fourth proportional to 930,356.92, 1,284,031.38 and 567,990.83 is: 783,912.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,356.92 : 1,284,031.38 = 567,990.83 : x
  2. Step 2: Convert to fraction form
    930,356.92/1,284,031.38 = 567,990.83/x
  3. Step 3: Cross multiply
    930,356.92x = 1,284,031.38 × 567,990.83
  4. Step 4: Simplify right side
    930,356.92x = 729,318,049,272.25
  5. Step 5: Solve for x
    x = 729,318,049,272.25/930,356.92
  6. Step 6: Final answer
    x = 783,912.10

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Double scale
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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.