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Finding the Fourth Proportional to 1,823,958.91, 2,736,491.89 and 970,885.40

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Solution

The fourth proportional to 1,823,958.91, 2,736,491.89 and 970,885.40 is: 1,456,622.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,823,958.91 : 2,736,491.89 = 970,885.40 : x
  2. Step 2: Convert to fraction form
    1,823,958.91/2,736,491.89 = 970,885.40/x
  3. Step 3: Cross multiply
    1,823,958.91x = 2,736,491.89 × 970,885.40
  4. Step 4: Simplify right side
    1,823,958.91x = 2,656,820,023,219.41
  5. Step 5: Solve for x
    x = 2,656,820,023,219.41/1,823,958.91
  6. Step 6: Final answer
    x = 1,456,622.74

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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.