Home / 1,284,773.45-1,928,032.25-686,164.23

Finding the Fourth Proportional to 1,284,773.45, 1,928,032.25 and 686,164.23

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Solution

The fourth proportional to 1,284,773.45, 1,928,032.25 and 686,164.23 is: 1,029,712.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,773.45 : 1,928,032.25 = 686,164.23 : x
  2. Step 2: Convert to fraction form
    1,284,773.45/1,928,032.25 = 686,164.23/x
  3. Step 3: Cross multiply
    1,284,773.45x = 1,928,032.25 × 686,164.23
  4. Step 4: Simplify right side
    1,284,773.45x = 1,322,946,760,805.60
  5. Step 5: Solve for x
    x = 1,322,946,760,805.60/1,284,773.45
  6. Step 6: Final answer
    x = 1,029,712.10

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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.