Home / 457,232.55-686,291.49-220,741.17

Finding the Fourth Proportional to 457,232.55, 686,291.49 and 220,741.17

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Solution

The fourth proportional to 457,232.55, 686,291.49 and 220,741.17 is: 331,325.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,232.55 : 686,291.49 = 220,741.17 : x
  2. Step 2: Convert to fraction form
    457,232.55/686,291.49 = 220,741.17/x
  3. Step 3: Cross multiply
    457,232.55x = 686,291.49 × 220,741.17
  4. Step 4: Simplify right side
    457,232.55x = 151,492,786,463.64
  5. Step 5: Solve for x
    x = 151,492,786,463.64/457,232.55
  6. Step 6: Final answer
    x = 331,325.46

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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.