Home / 746,561.60-1,119,712.80-273,003.20

Finding the Fourth Proportional to 746,561.60, 1,119,712.80 and 273,003.20

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Solution

The fourth proportional to 746,561.60, 1,119,712.80 and 273,003.20 is: 409,457.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,561.60 : 1,119,712.80 = 273,003.20 : x
  2. Step 2: Convert to fraction form
    746,561.60/1,119,712.80 = 273,003.20/x
  3. Step 3: Cross multiply
    746,561.60x = 1,119,712.80 × 273,003.20
  4. Step 4: Simplify right side
    746,561.60x = 305,685,177,480.96
  5. Step 5: Solve for x
    x = 305,685,177,480.96/746,561.60
  6. Step 6: Final answer
    x = 409,457.41

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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.