Home / 1,784.66-2,677.14-614.81

Finding the Fourth Proportional to 1,784.66, 2,677.14 and 614.81

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Solution

The fourth proportional to 1,784.66, 2,677.14 and 614.81 is: 922.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,784.66 : 2,677.14 = 614.81 : x
  2. Step 2: Convert to fraction form
    1,784.66/2,677.14 = 614.81/x
  3. Step 3: Cross multiply
    1,784.66x = 2,677.14 × 614.81
  4. Step 4: Simplify right side
    1,784.66x = 1,645,919.06
  5. Step 5: Solve for x
    x = 1,645,919.06/1,784.66
  6. Step 6: Final answer
    x = 922.26

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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.