Home / 656,749.35-906,279.44-366,391.22

Finding the Fourth Proportional to 656,749.35, 906,279.44 and 366,391.22

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Solution

The fourth proportional to 656,749.35, 906,279.44 and 366,391.22 is: 505,600.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,749.35 : 906,279.44 = 366,391.22 : x
  2. Step 2: Convert to fraction form
    656,749.35/906,279.44 = 366,391.22/x
  3. Step 3: Cross multiply
    656,749.35x = 906,279.44 × 366,391.22
  4. Step 4: Simplify right side
    656,749.35x = 332,052,823,319.16
  5. Step 5: Solve for x
    x = 332,052,823,319.16/656,749.35
  6. Step 6: Final answer
    x = 505,600.54

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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.