Home / 743,324.92-1,025,737.38-403,785.88

Finding the Fourth Proportional to 743,324.92, 1,025,737.38 and 403,785.88

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Solution

The fourth proportional to 743,324.92, 1,025,737.38 and 403,785.88 is: 557,196.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,324.92 : 1,025,737.38 = 403,785.88 : x
  2. Step 2: Convert to fraction form
    743,324.92/1,025,737.38 = 403,785.88/x
  3. Step 3: Cross multiply
    743,324.92x = 1,025,737.38 × 403,785.88
  4. Step 4: Simplify right side
    743,324.92x = 414,178,270,632.19
  5. Step 5: Solve for x
    x = 414,178,270,632.19/743,324.92
  6. Step 6: Final answer
    x = 557,196.81

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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.