Home / 889,193.88-1,333,788.83-687,083.90

Finding the Fourth Proportional to 889,193.88, 1,333,788.83 and 687,083.90

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Solution

The fourth proportional to 889,193.88, 1,333,788.83 and 687,083.90 is: 1,030,624.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,193.88 : 1,333,788.83 = 687,083.90 : x
  2. Step 2: Convert to fraction form
    889,193.88/1,333,788.83 = 687,083.90/x
  3. Step 3: Cross multiply
    889,193.88x = 1,333,788.83 × 687,083.90
  4. Step 4: Simplify right side
    889,193.88x = 916,424,820,988.47
  5. Step 5: Solve for x
    x = 916,424,820,988.47/889,193.88
  6. Step 6: Final answer
    x = 1,030,624.30

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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.