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Finding the Fourth Proportional to 1,194,700.07, 1,789,099.48 and 890,364.44

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Solution

The fourth proportional to 1,194,700.07, 1,789,099.48 and 890,364.44 is: 1,333,347.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,194,700.07 : 1,789,099.48 = 890,364.44 : x
  2. Step 2: Convert to fraction form
    1,194,700.07/1,789,099.48 = 890,364.44/x
  3. Step 3: Cross multiply
    1,194,700.07x = 1,789,099.48 × 890,364.44
  4. Step 4: Simplify right side
    1,194,700.07x = 1,592,950,562,200.20
  5. Step 5: Solve for x
    x = 1,592,950,562,200.20/1,194,700.07
  6. Step 6: Final answer
    x = 1,333,347.67

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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.