Home / 653,625.21-902,087.38-367,145.22

Finding the Fourth Proportional to 653,625.21, 902,087.38 and 367,145.22

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Solution

The fourth proportional to 653,625.21, 902,087.38 and 367,145.22 is: 506,707.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,625.21 : 902,087.38 = 367,145.22 : x
  2. Step 2: Convert to fraction form
    653,625.21/902,087.38 = 367,145.22/x
  3. Step 3: Cross multiply
    653,625.21x = 902,087.38 × 367,145.22
  4. Step 4: Simplify right side
    653,625.21x = 331,197,073,431.08
  5. Step 5: Solve for x
    x = 331,197,073,431.08/653,625.21
  6. Step 6: Final answer
    x = 506,707.92

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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.