Home / 771,664.62-1,157,556.80-231,878.76

Finding the Fourth Proportional to 771,664.62, 1,157,556.80 and 231,878.76

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Solution

The fourth proportional to 771,664.62, 1,157,556.80 and 231,878.76 is: 347,836.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,664.62 : 1,157,556.80 = 231,878.76 : x
  2. Step 2: Convert to fraction form
    771,664.62/1,157,556.80 = 231,878.76/x
  3. Step 3: Cross multiply
    771,664.62x = 1,157,556.80 × 231,878.76
  4. Step 4: Simplify right side
    771,664.62x = 268,412,835,413.57
  5. Step 5: Solve for x
    x = 268,412,835,413.57/771,664.62
  6. Step 6: Final answer
    x = 347,836.13

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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.