Home / 1,223,208.20-1,834,812.30-744,911.30

Finding the Fourth Proportional to 1,223,208.20, 1,834,812.30 and 744,911.30

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Solution

The fourth proportional to 1,223,208.20, 1,834,812.30 and 744,911.30 is: 1,117,366.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,208.20 : 1,834,812.30 = 744,911.30 : x
  2. Step 2: Convert to fraction form
    1,223,208.20/1,834,812.30 = 744,911.30/x
  3. Step 3: Cross multiply
    1,223,208.20x = 1,834,812.30 × 744,911.30
  4. Step 4: Simplify right side
    1,223,208.20x = 1,366,772,415,648.99
  5. Step 5: Solve for x
    x = 1,366,772,415,648.99/1,223,208.20
  6. Step 6: Final answer
    x = 1,117,366.95

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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.