Home / 1,409,786.39-1,946,516.27-866,650.41

Finding the Fourth Proportional to 1,409,786.39, 1,946,516.27 and 866,650.41

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Solution

The fourth proportional to 1,409,786.39, 1,946,516.27 and 866,650.41 is: 1,196,599.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,786.39 : 1,946,516.27 = 866,650.41 : x
  2. Step 2: Convert to fraction form
    1,409,786.39/1,946,516.27 = 866,650.41/x
  3. Step 3: Cross multiply
    1,409,786.39x = 1,946,516.27 × 866,650.41
  4. Step 4: Simplify right side
    1,409,786.39x = 1,686,949,123,467.17
  5. Step 5: Solve for x
    x = 1,686,949,123,467.17/1,409,786.39
  6. Step 6: Final answer
    x = 1,196,599.10

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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.