Home / 1,938,105.80-2,907,424.67-658,369.77

Finding the Fourth Proportional to 1,938,105.80, 2,907,424.67 and 658,369.77

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Solution

The fourth proportional to 1,938,105.80, 2,907,424.67 and 658,369.77 is: 987,645.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,105.80 : 2,907,424.67 = 658,369.77 : x
  2. Step 2: Convert to fraction form
    1,938,105.80/2,907,424.67 = 658,369.77/x
  3. Step 3: Cross multiply
    1,938,105.80x = 2,907,424.67 × 658,369.77
  4. Step 4: Simplify right side
    1,938,105.80x = 1,914,160,496,743.10
  5. Step 5: Solve for x
    x = 1,914,160,496,743.10/1,938,105.80
  6. Step 6: Final answer
    x = 987,645.00

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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.