Home / 1,333,219.20-1,839,841.30-752,564.55

Finding the Fourth Proportional to 1,333,219.20, 1,839,841.30 and 752,564.55

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Solution

The fourth proportional to 1,333,219.20, 1,839,841.30 and 752,564.55 is: 1,038,538.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,219.20 : 1,839,841.30 = 752,564.55 : x
  2. Step 2: Convert to fraction form
    1,333,219.20/1,839,841.30 = 752,564.55/x
  3. Step 3: Cross multiply
    1,333,219.20x = 1,839,841.30 × 752,564.55
  4. Step 4: Simplify right side
    1,333,219.20x = 1,384,599,340,005.92
  5. Step 5: Solve for x
    x = 1,384,599,340,005.92/1,333,219.20
  6. Step 6: Final answer
    x = 1,038,538.41

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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.