Home / 1,172,111.64-1,757,817.54-498,190.02

Finding the Fourth Proportional to 1,172,111.64, 1,757,817.54 and 498,190.02

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Solution

The fourth proportional to 1,172,111.64, 1,757,817.54 and 498,190.02 is: 747,136.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,111.64 : 1,757,817.54 = 498,190.02 : x
  2. Step 2: Convert to fraction form
    1,172,111.64/1,757,817.54 = 498,190.02/x
  3. Step 3: Cross multiply
    1,172,111.64x = 1,757,817.54 × 498,190.02
  4. Step 4: Simplify right side
    1,172,111.64x = 875,727,155,408.95
  5. Step 5: Solve for x
    x = 875,727,155,408.95/1,172,111.64
  6. Step 6: Final answer
    x = 747,136.30

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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.