Home / 724,543.83-1,086,466.18-303,706.71

Finding the Fourth Proportional to 724,543.83, 1,086,466.18 and 303,706.71

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Solution

The fourth proportional to 724,543.83, 1,086,466.18 and 303,706.71 is: 455,413.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,543.83 : 1,086,466.18 = 303,706.71 : x
  2. Step 2: Convert to fraction form
    724,543.83/1,086,466.18 = 303,706.71/x
  3. Step 3: Cross multiply
    724,543.83x = 1,086,466.18 × 303,706.71
  4. Step 4: Simplify right side
    724,543.83x = 329,967,069,054.07
  5. Step 5: Solve for x
    x = 329,967,069,054.07/724,543.83
  6. Step 6: Final answer
    x = 455,413.54

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Double scale
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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.