Home / 809,419.14-1,116,969.08-446,835.20

Finding the Fourth Proportional to 809,419.14, 1,116,969.08 and 446,835.20

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Solution

The fourth proportional to 809,419.14, 1,116,969.08 and 446,835.20 is: 616,616.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,419.14 : 1,116,969.08 = 446,835.20 : x
  2. Step 2: Convert to fraction form
    809,419.14/1,116,969.08 = 446,835.20/x
  3. Step 3: Cross multiply
    809,419.14x = 1,116,969.08 × 446,835.20
  4. Step 4: Simplify right side
    809,419.14x = 499,101,094,436.60
  5. Step 5: Solve for x
    x = 499,101,094,436.60/809,419.14
  6. Step 6: Final answer
    x = 616,616.37

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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.