Home / 730,563.45-1,008,199.22-408,274.44

Finding the Fourth Proportional to 730,563.45, 1,008,199.22 and 408,274.44

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Solution

The fourth proportional to 730,563.45, 1,008,199.22 and 408,274.44 is: 563,430.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,563.45 : 1,008,199.22 = 408,274.44 : x
  2. Step 2: Convert to fraction form
    730,563.45/1,008,199.22 = 408,274.44/x
  3. Step 3: Cross multiply
    730,563.45x = 1,008,199.22 × 408,274.44
  4. Step 4: Simplify right side
    730,563.45x = 411,621,969,912.57
  5. Step 5: Solve for x
    x = 411,621,969,912.57/730,563.45
  6. Step 6: Final answer
    x = 563,430.83

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.