Home / 1,329,000.40-1,994,083.80-618,662.80

Finding the Fourth Proportional to 1,329,000.40, 1,994,083.80 and 618,662.80

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Solution

The fourth proportional to 1,329,000.40, 1,994,083.80 and 618,662.80 is: 928,265.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,000.40 : 1,994,083.80 = 618,662.80 : x
  2. Step 2: Convert to fraction form
    1,329,000.40/1,994,083.80 = 618,662.80/x
  3. Step 3: Cross multiply
    1,329,000.40x = 1,994,083.80 × 618,662.80
  4. Step 4: Simplify right side
    1,329,000.40x = 1,233,665,467,142.64
  5. Step 5: Solve for x
    x = 1,233,665,467,142.64/1,329,000.40
  6. Step 6: Final answer
    x = 928,265.69

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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.