Home / 822,413.40-1,233,620.10-372,960.60

Finding the Fourth Proportional to 822,413.40, 1,233,620.10 and 372,960.60

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Solution

The fourth proportional to 822,413.40, 1,233,620.10 and 372,960.60 is: 559,440.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,413.40 : 1,233,620.10 = 372,960.60 : x
  2. Step 2: Convert to fraction form
    822,413.40/1,233,620.10 = 372,960.60/x
  3. Step 3: Cross multiply
    822,413.40x = 1,233,620.10 × 372,960.60
  4. Step 4: Simplify right side
    822,413.40x = 460,091,692,668.06
  5. Step 5: Solve for x
    x = 460,091,692,668.06/822,413.40
  6. Step 6: Final answer
    x = 559,440.90

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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.