Home / 561,917.36-842,735.73-220,430.19

Finding the Fourth Proportional to 561,917.36, 842,735.73 and 220,430.19

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Solution

The fourth proportional to 561,917.36, 842,735.73 and 220,430.19 is: 330,590.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,917.36 : 842,735.73 = 220,430.19 : x
  2. Step 2: Convert to fraction form
    561,917.36/842,735.73 = 220,430.19/x
  3. Step 3: Cross multiply
    561,917.36x = 842,735.73 × 220,430.19
  4. Step 4: Simplify right side
    561,917.36x = 185,764,397,083.69
  5. Step 5: Solve for x
    x = 185,764,397,083.69/561,917.36
  6. Step 6: Final answer
    x = 330,590.24

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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.