Home / 656,945.40-985,418.10-236,166.60

Finding the Fourth Proportional to 656,945.40, 985,418.10 and 236,166.60

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Solution

The fourth proportional to 656,945.40, 985,418.10 and 236,166.60 is: 354,249.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,945.40 : 985,418.10 = 236,166.60 : x
  2. Step 2: Convert to fraction form
    656,945.40/985,418.10 = 236,166.60/x
  3. Step 3: Cross multiply
    656,945.40x = 985,418.10 × 236,166.60
  4. Step 4: Simplify right side
    656,945.40x = 232,722,842,255.46
  5. Step 5: Solve for x
    x = 232,722,842,255.46/656,945.40
  6. Step 6: Final answer
    x = 354,249.90

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Half scale
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Double scale
Find fourth proportional to 656,946.40, 985,419.60 and 236,167.60
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.