Home / 623,610.24-934,979.92-319,413.57

Finding the Fourth Proportional to 623,610.24, 934,979.92 and 319,413.57

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Solution

The fourth proportional to 623,610.24, 934,979.92 and 319,413.57 is: 478,897.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,610.24 : 934,979.92 = 319,413.57 : x
  2. Step 2: Convert to fraction form
    623,610.24/934,979.92 = 319,413.57/x
  3. Step 3: Cross multiply
    623,610.24x = 934,979.92 × 319,413.57
  4. Step 4: Simplify right side
    623,610.24x = 298,645,274,647.26
  5. Step 5: Solve for x
    x = 298,645,274,647.26/623,610.24
  6. Step 6: Final answer
    x = 478,897.33

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1.5x scale

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.