Home / 450,825.21-675,164.43-260,885.16

Finding the Fourth Proportional to 450,825.21, 675,164.43 and 260,885.16

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Solution

The fourth proportional to 450,825.21, 675,164.43 and 260,885.16 is: 390,706.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,825.21 : 675,164.43 = 260,885.16 : x
  2. Step 2: Convert to fraction form
    450,825.21/675,164.43 = 260,885.16/x
  3. Step 3: Cross multiply
    450,825.21x = 675,164.43 × 260,885.16
  4. Step 4: Simplify right side
    450,825.21x = 176,140,380,346.86
  5. Step 5: Solve for x
    x = 176,140,380,346.86/450,825.21
  6. Step 6: Final answer
    x = 390,706.59

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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.