Home / 864,170.37-1,193,003.50-631,336.18

Finding the Fourth Proportional to 864,170.37, 1,193,003.50 and 631,336.18

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Solution

The fourth proportional to 864,170.37, 1,193,003.50 and 631,336.18 is: 871,571.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,170.37 : 1,193,003.50 = 631,336.18 : x
  2. Step 2: Convert to fraction form
    864,170.37/1,193,003.50 = 631,336.18/x
  3. Step 3: Cross multiply
    864,170.37x = 1,193,003.50 × 631,336.18
  4. Step 4: Simplify right side
    864,170.37x = 753,186,272,416.63
  5. Step 5: Solve for x
    x = 753,186,272,416.63/864,170.37
  6. Step 6: Final answer
    x = 871,571.51

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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.