Home / 1,091,925.12-1,637,496-418,195.84

Finding the Fourth Proportional to 1,091,925.12, 1,637,496 and 418,195.84

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Solution

The fourth proportional to 1,091,925.12, 1,637,496 and 418,195.84 is: 627,143.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,925.12 : 1,637,496 = 418,195.84 : x
  2. Step 2: Convert to fraction form
    1,091,925.12/1,637,496 = 418,195.84/x
  3. Step 3: Cross multiply
    1,091,925.12x = 1,637,496 × 418,195.84
  4. Step 4: Simplify right side
    1,091,925.12x = 684,794,015,216.64
  5. Step 5: Solve for x
    x = 684,794,015,216.64/1,091,925.12
  6. Step 6: Final answer
    x = 627,143.75

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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.