Home / 809,427.25-1,117,027.43-446,850.19

Finding the Fourth Proportional to 809,427.25, 1,117,027.43 and 446,850.19

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Solution

The fourth proportional to 809,427.25, 1,117,027.43 and 446,850.19 is: 616,663.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,427.25 : 1,117,027.43 = 446,850.19 : x
  2. Step 2: Convert to fraction form
    809,427.25/1,117,027.43 = 446,850.19/x
  3. Step 3: Cross multiply
    809,427.25x = 1,117,027.43 × 446,850.19
  4. Step 4: Simplify right side
    809,427.25x = 499,143,919,330.71
  5. Step 5: Solve for x
    x = 499,143,919,330.71/809,427.25
  6. Step 6: Final answer
    x = 616,663.10

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Half scale
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Double scale
Find fourth proportional to 809,428.25, 1,117,028.81 and 446,851.19
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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.