Home / 836,399.34-1,254,623.60-205,313.13

Finding the Fourth Proportional to 836,399.34, 1,254,623.60 and 205,313.13

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Solution

The fourth proportional to 836,399.34, 1,254,623.60 and 205,313.13 is: 307,975.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,399.34 : 1,254,623.60 = 205,313.13 : x
  2. Step 2: Convert to fraction form
    836,399.34/1,254,623.60 = 205,313.13/x
  3. Step 3: Cross multiply
    836,399.34x = 1,254,623.60 × 205,313.13
  4. Step 4: Simplify right side
    836,399.34x = 257,590,698,287.87
  5. Step 5: Solve for x
    x = 257,590,698,287.87/836,399.34
  6. Step 6: Final answer
    x = 307,975.73

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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.