Home / 710,413.60-1,064,876.04-331,021.54

Finding the Fourth Proportional to 710,413.60, 1,064,876.04 and 331,021.54

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Solution

The fourth proportional to 710,413.60, 1,064,876.04 and 331,021.54 is: 496,185.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,413.60 : 1,064,876.04 = 331,021.54 : x
  2. Step 2: Convert to fraction form
    710,413.60/1,064,876.04 = 331,021.54/x
  3. Step 3: Cross multiply
    710,413.60x = 1,064,876.04 × 331,021.54
  4. Step 4: Simplify right side
    710,413.60x = 352,496,906,669.90
  5. Step 5: Solve for x
    x = 352,496,906,669.90/710,413.60
  6. Step 6: Final answer
    x = 496,185.47

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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.