Home / 833,921.76-1,150,781.13-451,940.34

Finding the Fourth Proportional to 833,921.76, 1,150,781.13 and 451,940.34

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Solution

The fourth proportional to 833,921.76, 1,150,781.13 and 451,940.34 is: 623,660.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,921.76 : 1,150,781.13 = 451,940.34 : x
  2. Step 2: Convert to fraction form
    833,921.76/1,150,781.13 = 451,940.34/x
  3. Step 3: Cross multiply
    833,921.76x = 1,150,781.13 × 451,940.34
  4. Step 4: Simplify right side
    833,921.76x = 520,084,415,157.78
  5. Step 5: Solve for x
    x = 520,084,415,157.78/833,921.76
  6. Step 6: Final answer
    x = 623,660.92

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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.