Home / 1,205,957.24-1,664,137.74-669,371

Finding the Fourth Proportional to 1,205,957.24, 1,664,137.74 and 669,371

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Solution

The fourth proportional to 1,205,957.24, 1,664,137.74 and 669,371 is: 923,685.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,957.24 : 1,664,137.74 = 669,371 : x
  2. Step 2: Convert to fraction form
    1,205,957.24/1,664,137.74 = 669,371/x
  3. Step 3: Cross multiply
    1,205,957.24x = 1,664,137.74 × 669,371
  4. Step 4: Simplify right side
    1,205,957.24x = 1,113,925,543,161.54
  5. Step 5: Solve for x
    x = 1,113,925,543,161.54/1,205,957.24
  6. Step 6: Final answer
    x = 923,685.77

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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.