Home / 1,172,894.12-1,759,486.08-414,579.21

Finding the Fourth Proportional to 1,172,894.12, 1,759,486.08 and 414,579.21

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Solution

The fourth proportional to 1,172,894.12, 1,759,486.08 and 414,579.21 is: 621,920.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,894.12 : 1,759,486.08 = 414,579.21 : x
  2. Step 2: Convert to fraction form
    1,172,894.12/1,759,486.08 = 414,579.21/x
  3. Step 3: Cross multiply
    1,172,894.12x = 1,759,486.08 × 414,579.21
  4. Step 4: Simplify right side
    1,172,894.12x = 729,446,350,408.09
  5. Step 5: Solve for x
    x = 729,446,350,408.09/1,172,894.12
  6. Step 6: Final answer
    x = 621,920.03

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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.