Home / 657,184.85-985,353.35-257,865.96

Finding the Fourth Proportional to 657,184.85, 985,353.35 and 257,865.96

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Solution

The fourth proportional to 657,184.85, 985,353.35 and 257,865.96 is: 386,632.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,184.85 : 985,353.35 = 257,865.96 : x
  2. Step 2: Convert to fraction form
    657,184.85/985,353.35 = 257,865.96/x
  3. Step 3: Cross multiply
    657,184.85x = 985,353.35 × 257,865.96
  4. Step 4: Simplify right side
    657,184.85x = 254,089,086,247.64
  5. Step 5: Solve for x
    x = 254,089,086,247.64/657,184.85
  6. Step 6: Final answer
    x = 386,632.60

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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.