Home / 1,356,859.42-2,032,628.50-787,043.40

Finding the Fourth Proportional to 1,356,859.42, 2,032,628.50 and 787,043.40

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Solution

The fourth proportional to 1,356,859.42, 2,032,628.50 and 787,043.40 is: 1,179,021.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,356,859.42 : 2,032,628.50 = 787,043.40 : x
  2. Step 2: Convert to fraction form
    1,356,859.42/2,032,628.50 = 787,043.40/x
  3. Step 3: Cross multiply
    1,356,859.42x = 2,032,628.50 × 787,043.40
  4. Step 4: Simplify right side
    1,356,859.42x = 1,599,766,845,576.90
  5. Step 5: Solve for x
    x = 1,599,766,845,576.90/1,356,859.42
  6. Step 6: Final answer
    x = 1,179,021.81

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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.