Home / 1,167,699.60-1,750,495.20-419,570.64

Finding the Fourth Proportional to 1,167,699.60, 1,750,495.20 and 419,570.64

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Solution

The fourth proportional to 1,167,699.60, 1,750,495.20 and 419,570.64 is: 628,977.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167,699.60 : 1,750,495.20 = 419,570.64 : x
  2. Step 2: Convert to fraction form
    1,167,699.60/1,750,495.20 = 419,570.64/x
  3. Step 3: Cross multiply
    1,167,699.60x = 1,750,495.20 × 419,570.64
  4. Step 4: Simplify right side
    1,167,699.60x = 734,456,391,380.93
  5. Step 5: Solve for x
    x = 734,456,391,380.93/1,167,699.60
  6. Step 6: Final answer
    x = 628,977.17

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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.