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Finding the Fourth Proportional to 1,194,256.36, 1,789,890.62 and 940,534.80

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Solution

The fourth proportional to 1,194,256.36, 1,789,890.62 and 940,534.80 is: 1,409,625.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,194,256.36 : 1,789,890.62 = 940,534.80 : x
  2. Step 2: Convert to fraction form
    1,194,256.36/1,789,890.62 = 940,534.80/x
  3. Step 3: Cross multiply
    1,194,256.36x = 1,789,890.62 × 940,534.80
  4. Step 4: Simplify right side
    1,194,256.36x = 1,683,454,416,303.58
  5. Step 5: Solve for x
    x = 1,683,454,416,303.58/1,194,256.36
  6. Step 6: Final answer
    x = 1,409,625.67

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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.