Home / 744,640.77-1,116,183.45-365,035.89

Finding the Fourth Proportional to 744,640.77, 1,116,183.45 and 365,035.89

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Solution

The fourth proportional to 744,640.77, 1,116,183.45 and 365,035.89 is: 547,172.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,640.77 : 1,116,183.45 = 365,035.89 : x
  2. Step 2: Convert to fraction form
    744,640.77/1,116,183.45 = 365,035.89/x
  3. Step 3: Cross multiply
    744,640.77x = 1,116,183.45 × 365,035.89
  4. Step 4: Simplify right side
    744,640.77x = 407,447,019,074.02
  5. Step 5: Solve for x
    x = 407,447,019,074.02/744,640.77
  6. Step 6: Final answer
    x = 547,172.59

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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.