Home / 811,098.38-1,119,323.03-448,546.64

Finding the Fourth Proportional to 811,098.38, 1,119,323.03 and 448,546.64

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Solution

The fourth proportional to 811,098.38, 1,119,323.03 and 448,546.64 is: 618,998.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,098.38 : 1,119,323.03 = 448,546.64 : x
  2. Step 2: Convert to fraction form
    811,098.38/1,119,323.03 = 448,546.64/x
  3. Step 3: Cross multiply
    811,098.38x = 1,119,323.03 × 448,546.64
  4. Step 4: Simplify right side
    811,098.38x = 502,068,584,181.12
  5. Step 5: Solve for x
    x = 502,068,584,181.12/811,098.38
  6. Step 6: Final answer
    x = 618,998.38

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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.