Home / 855,892.75-1,181,117.56-473,911.33

Finding the Fourth Proportional to 855,892.75, 1,181,117.56 and 473,911.33

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Solution

The fourth proportional to 855,892.75, 1,181,117.56 and 473,911.33 is: 653,989.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,892.75 : 1,181,117.56 = 473,911.33 : x
  2. Step 2: Convert to fraction form
    855,892.75/1,181,117.56 = 473,911.33/x
  3. Step 3: Cross multiply
    855,892.75x = 1,181,117.56 × 473,911.33
  4. Step 4: Simplify right side
    855,892.75x = 559,744,993,745.96
  5. Step 5: Solve for x
    x = 559,744,993,745.96/855,892.75
  6. Step 6: Final answer
    x = 653,989.64

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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.