Home / 1,399,535.36-2,099,307.29-388,712.46

Finding the Fourth Proportional to 1,399,535.36, 2,099,307.29 and 388,712.46

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Solution

The fourth proportional to 1,399,535.36, 2,099,307.29 and 388,712.46 is: 583,069.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,535.36 : 2,099,307.29 = 388,712.46 : x
  2. Step 2: Convert to fraction form
    1,399,535.36/2,099,307.29 = 388,712.46/x
  3. Step 3: Cross multiply
    1,399,535.36x = 2,099,307.29 × 388,712.46
  4. Step 4: Simplify right side
    1,399,535.36x = 816,026,899,048.27
  5. Step 5: Solve for x
    x = 816,026,899,048.27/1,399,535.36
  6. Step 6: Final answer
    x = 583,069.87

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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.