Home / 791,154.96-1,091,728.98-447,020.79

Finding the Fourth Proportional to 791,154.96, 1,091,728.98 and 447,020.79

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Solution

The fourth proportional to 791,154.96, 1,091,728.98 and 447,020.79 is: 616,852.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,154.96 : 1,091,728.98 = 447,020.79 : x
  2. Step 2: Convert to fraction form
    791,154.96/1,091,728.98 = 447,020.79/x
  3. Step 3: Cross multiply
    791,154.96x = 1,091,728.98 × 447,020.79
  4. Step 4: Simplify right side
    791,154.96x = 488,025,551,105.49
  5. Step 5: Solve for x
    x = 488,025,551,105.49/791,154.96
  6. Step 6: Final answer
    x = 616,852.04

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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.