Home / 922,561.14-1,383,900.11-389,982.90

Finding the Fourth Proportional to 922,561.14, 1,383,900.11 and 389,982.90

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Solution

The fourth proportional to 922,561.14, 1,383,900.11 and 389,982.90 is: 584,999.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,561.14 : 1,383,900.11 = 389,982.90 : x
  2. Step 2: Convert to fraction form
    922,561.14/1,383,900.11 = 389,982.90/x
  3. Step 3: Cross multiply
    922,561.14x = 1,383,900.11 × 389,982.90
  4. Step 4: Simplify right side
    922,561.14x = 539,697,378,208.12
  5. Step 5: Solve for x
    x = 539,697,378,208.12/922,561.14
  6. Step 6: Final answer
    x = 584,999.04

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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.