Home / 526,197.09-789,164.28-206,413.95

Finding the Fourth Proportional to 526,197.09, 789,164.28 and 206,413.95

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Solution

The fourth proportional to 526,197.09, 789,164.28 and 206,413.95 is: 309,569.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,197.09 : 789,164.28 = 206,413.95 : x
  2. Step 2: Convert to fraction form
    526,197.09/789,164.28 = 206,413.95/x
  3. Step 3: Cross multiply
    526,197.09x = 789,164.28 × 206,413.95
  4. Step 4: Simplify right side
    526,197.09x = 162,894,516,233.71
  5. Step 5: Solve for x
    x = 162,894,516,233.71/526,197.09
  6. Step 6: Final answer
    x = 309,569.40

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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.