Home / 661,622.10-992,433.15-605,634.90

Finding the Fourth Proportional to 661,622.10, 992,433.15 and 605,634.90

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Solution

The fourth proportional to 661,622.10, 992,433.15 and 605,634.90 is: 908,452.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,622.10 : 992,433.15 = 605,634.90 : x
  2. Step 2: Convert to fraction form
    661,622.10/992,433.15 = 605,634.90/x
  3. Step 3: Cross multiply
    661,622.10x = 992,433.15 × 605,634.90
  4. Step 4: Simplify right side
    661,622.10x = 601,052,151,556.94
  5. Step 5: Solve for x
    x = 601,052,151,556.94/661,622.10
  6. Step 6: Final answer
    x = 908,452.35

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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.