Home / 445,945.36-669,105.48-277,606.54

Finding the Fourth Proportional to 445,945.36, 669,105.48 and 277,606.54

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Solution

The fourth proportional to 445,945.36, 669,105.48 and 277,606.54 is: 416,526.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,945.36 : 669,105.48 = 277,606.54 : x
  2. Step 2: Convert to fraction form
    445,945.36/669,105.48 = 277,606.54/x
  3. Step 3: Cross multiply
    445,945.36x = 669,105.48 × 277,606.54
  4. Step 4: Simplify right side
    445,945.36x = 185,748,057,197.84
  5. Step 5: Solve for x
    x = 185,748,057,197.84/445,945.36
  6. Step 6: Final answer
    x = 416,526.49

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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.