Home / 1,007,467.36-1,389,855.60-680,675.52

Finding the Fourth Proportional to 1,007,467.36, 1,389,855.60 and 680,675.52

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Solution

The fourth proportional to 1,007,467.36, 1,389,855.60 and 680,675.52 is: 939,028.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,467.36 : 1,389,855.60 = 680,675.52 : x
  2. Step 2: Convert to fraction form
    1,007,467.36/1,389,855.60 = 680,675.52/x
  3. Step 3: Cross multiply
    1,007,467.36x = 1,389,855.60 × 680,675.52
  4. Step 4: Simplify right side
    1,007,467.36x = 946,040,683,254.91
  5. Step 5: Solve for x
    x = 946,040,683,254.91/1,007,467.36
  6. Step 6: Final answer
    x = 939,028.62

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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.