Home / 1,410,143.72-1,946,305.14-866,564.60

Finding the Fourth Proportional to 1,410,143.72, 1,946,305.14 and 866,564.60

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Solution

The fourth proportional to 1,410,143.72, 1,946,305.14 and 866,564.60 is: 1,196,047.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,410,143.72 : 1,946,305.14 = 866,564.60 : x
  2. Step 2: Convert to fraction form
    1,410,143.72/1,946,305.14 = 866,564.60/x
  3. Step 3: Cross multiply
    1,410,143.72x = 1,946,305.14 × 866,564.60
  4. Step 4: Simplify right side
    1,410,143.72x = 1,686,599,135,122.04
  5. Step 5: Solve for x
    x = 1,686,599,135,122.04/1,410,143.72
  6. Step 6: Final answer
    x = 1,196,047.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.