Home / 800,874.36-1,105,196.22-438,291.63

Finding the Fourth Proportional to 800,874.36, 1,105,196.22 and 438,291.63

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Solution

The fourth proportional to 800,874.36, 1,105,196.22 and 438,291.63 is: 604,836.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,874.36 : 1,105,196.22 = 438,291.63 : x
  2. Step 2: Convert to fraction form
    800,874.36/1,105,196.22 = 438,291.63/x
  3. Step 3: Cross multiply
    800,874.36x = 1,105,196.22 × 438,291.63
  4. Step 4: Simplify right side
    800,874.36x = 484,398,252,733.64
  5. Step 5: Solve for x
    x = 484,398,252,733.64/800,874.36
  6. Step 6: Final answer
    x = 604,836.76

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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.