Home / 905,608.80-1,358,413.20-433,216.80

Finding the Fourth Proportional to 905,608.80, 1,358,413.20 and 433,216.80

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Solution

The fourth proportional to 905,608.80, 1,358,413.20 and 433,216.80 is: 649,825.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,608.80 : 1,358,413.20 = 433,216.80 : x
  2. Step 2: Convert to fraction form
    905,608.80/1,358,413.20 = 433,216.80/x
  3. Step 3: Cross multiply
    905,608.80x = 1,358,413.20 × 433,216.80
  4. Step 4: Simplify right side
    905,608.80x = 588,487,419,581.76
  5. Step 5: Solve for x
    x = 588,487,419,581.76/905,608.80
  6. Step 6: Final answer
    x = 649,825.20

Related Problems

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Half scale
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Double scale
Find fourth proportional to 905,609.80, 1,358,414.70 and 433,217.80
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.