Home / 619,133.04-854,413.38-347,261.40

Finding the Fourth Proportional to 619,133.04, 854,413.38 and 347,261.40

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Solution

The fourth proportional to 619,133.04, 854,413.38 and 347,261.40 is: 479,226.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,133.04 : 854,413.38 = 347,261.40 : x
  2. Step 2: Convert to fraction form
    619,133.04/854,413.38 = 347,261.40/x
  3. Step 3: Cross multiply
    619,133.04x = 854,413.38 × 347,261.40
  4. Step 4: Simplify right side
    619,133.04x = 296,704,786,517.53
  5. Step 5: Solve for x
    x = 296,704,786,517.53/619,133.04
  6. Step 6: Final answer
    x = 479,226.22

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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.