Home / 1,091,928.62-1,637,501.25-418,199.34

Finding the Fourth Proportional to 1,091,928.62, 1,637,501.25 and 418,199.34

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Solution

The fourth proportional to 1,091,928.62, 1,637,501.25 and 418,199.34 is: 627,149.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,928.62 : 1,637,501.25 = 418,199.34 : x
  2. Step 2: Convert to fraction form
    1,091,928.62/1,637,501.25 = 418,199.34/x
  3. Step 3: Cross multiply
    1,091,928.62x = 1,637,501.25 × 418,199.34
  4. Step 4: Simplify right side
    1,091,928.62x = 684,801,941,999.18
  5. Step 5: Solve for x
    x = 684,801,941,999.18/1,091,928.62
  6. Step 6: Final answer
    x = 627,149.00

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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.