Home / 1,768,139.64-2,440,325.16-1,043,164.56

Finding the Fourth Proportional to 1,768,139.64, 2,440,325.16 and 1,043,164.56

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Solution

The fourth proportional to 1,768,139.64, 2,440,325.16 and 1,043,164.56 is: 1,439,739.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,768,139.64 : 2,440,325.16 = 1,043,164.56 : x
  2. Step 2: Convert to fraction form
    1,768,139.64/2,440,325.16 = 1,043,164.56/x
  3. Step 3: Cross multiply
    1,768,139.64x = 2,440,325.16 × 1,043,164.56
  4. Step 4: Simplify right side
    1,768,139.64x = 2,545,660,721,788.33
  5. Step 5: Solve for x
    x = 2,545,660,721,788.33/1,768,139.64
  6. Step 6: Final answer
    x = 1,439,739.64

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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.