Home / 447,419.11-671,130.05-110,459.80

Finding the Fourth Proportional to 447,419.11, 671,130.05 and 110,459.80

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Solution

The fourth proportional to 447,419.11, 671,130.05 and 110,459.80 is: 165,690.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,419.11 : 671,130.05 = 110,459.80 : x
  2. Step 2: Convert to fraction form
    447,419.11/671,130.05 = 110,459.80/x
  3. Step 3: Cross multiply
    447,419.11x = 671,130.05 × 110,459.80
  4. Step 4: Simplify right side
    447,419.11x = 74,132,890,544.69
  5. Step 5: Solve for x
    x = 74,132,890,544.69/447,419.11
  6. Step 6: Final answer
    x = 165,690.04

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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.