Home / 1,293,525-1,938,816.09-786,969.39

Finding the Fourth Proportional to 1,293,525, 1,938,816.09 and 786,969.39

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Solution

The fourth proportional to 1,293,525, 1,938,816.09 and 786,969.39 is: 1,179,558.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,525 : 1,938,816.09 = 786,969.39 : x
  2. Step 2: Convert to fraction form
    1,293,525/1,938,816.09 = 786,969.39/x
  3. Step 3: Cross multiply
    1,293,525x = 1,938,816.09 × 786,969.39
  4. Step 4: Simplify right side
    1,293,525x = 1,525,788,915,669.49
  5. Step 5: Solve for x
    x = 1,525,788,915,669.49/1,293,525
  6. Step 6: Final answer
    x = 1,179,558.89

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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.