Home / 463,923.86-640,214.48-259,976.39

Finding the Fourth Proportional to 463,923.86, 640,214.48 and 259,976.39

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Solution

The fourth proportional to 463,923.86, 640,214.48 and 259,976.39 is: 358,767.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,923.86 : 640,214.48 = 259,976.39 : x
  2. Step 2: Convert to fraction form
    463,923.86/640,214.48 = 259,976.39/x
  3. Step 3: Cross multiply
    463,923.86x = 640,214.48 × 259,976.39
  4. Step 4: Simplify right side
    463,923.86x = 166,440,646,785.00
  5. Step 5: Solve for x
    x = 166,440,646,785.00/463,923.86
  6. Step 6: Final answer
    x = 358,767.17

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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.