Home / 692,413.38-1,038,672.60-186,967

Finding the Fourth Proportional to 692,413.38, 1,038,672.60 and 186,967

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Solution

The fourth proportional to 692,413.38, 1,038,672.60 and 186,967 is: 280,464.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,413.38 : 1,038,672.60 = 186,967 : x
  2. Step 2: Convert to fraction form
    692,413.38/1,038,672.60 = 186,967/x
  3. Step 3: Cross multiply
    692,413.38x = 1,038,672.60 × 186,967
  4. Step 4: Simplify right side
    692,413.38x = 194,197,500,004.20
  5. Step 5: Solve for x
    x = 194,197,500,004.20/692,413.38
  6. Step 6: Final answer
    x = 280,464.68

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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.