Home / 628,865.66-943,413.35-291,859.89

Finding the Fourth Proportional to 628,865.66, 943,413.35 and 291,859.89

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Solution

The fourth proportional to 628,865.66, 943,413.35 and 291,859.89 is: 437,843.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,865.66 : 943,413.35 = 291,859.89 : x
  2. Step 2: Convert to fraction form
    628,865.66/943,413.35 = 291,859.89/x
  3. Step 3: Cross multiply
    628,865.66x = 943,413.35 × 291,859.89
  4. Step 4: Simplify right side
    628,865.66x = 275,344,515,096.23
  5. Step 5: Solve for x
    x = 275,344,515,096.23/628,865.66
  6. Step 6: Final answer
    x = 437,843.14

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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.