Home / 462,419.03-691,884.40-272,982.45

Finding the Fourth Proportional to 462,419.03, 691,884.40 and 272,982.45

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Solution

The fourth proportional to 462,419.03, 691,884.40 and 272,982.45 is: 408,444.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,419.03 : 691,884.40 = 272,982.45 : x
  2. Step 2: Convert to fraction form
    462,419.03/691,884.40 = 272,982.45/x
  3. Step 3: Cross multiply
    462,419.03x = 691,884.40 × 272,982.45
  4. Step 4: Simplify right side
    462,419.03x = 188,872,297,946.32
  5. Step 5: Solve for x
    x = 188,872,297,946.32/462,419.03
  6. Step 6: Final answer
    x = 408,444.05

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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.