Home / 798,413.80-1,197,620.70-399,116.20

Finding the Fourth Proportional to 798,413.80, 1,197,620.70 and 399,116.20

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Solution

The fourth proportional to 798,413.80, 1,197,620.70 and 399,116.20 is: 598,674.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,413.80 : 1,197,620.70 = 399,116.20 : x
  2. Step 2: Convert to fraction form
    798,413.80/1,197,620.70 = 399,116.20/x
  3. Step 3: Cross multiply
    798,413.80x = 1,197,620.70 × 399,116.20
  4. Step 4: Simplify right side
    798,413.80x = 477,989,822,825.34
  5. Step 5: Solve for x
    x = 477,989,822,825.34/798,413.80
  6. Step 6: Final answer
    x = 598,674.30

Related Problems

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Half scale
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Double scale
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Similar ratio
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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.