Home / 1,273,105.64-1,756,850.70-700,145.80

Finding the Fourth Proportional to 1,273,105.64, 1,756,850.70 and 700,145.80

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Solution

The fourth proportional to 1,273,105.64, 1,756,850.70 and 700,145.80 is: 966,181.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,105.64 : 1,756,850.70 = 700,145.80 : x
  2. Step 2: Convert to fraction form
    1,273,105.64/1,756,850.70 = 700,145.80/x
  3. Step 3: Cross multiply
    1,273,105.64x = 1,756,850.70 × 700,145.80
  4. Step 4: Simplify right side
    1,273,105.64x = 1,230,051,638,832.06
  5. Step 5: Solve for x
    x = 1,230,051,638,832.06/1,273,105.64
  6. Step 6: Final answer
    x = 966,181.91

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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.