Home / 1,932,511.40-2,897,730.30-809,311.40

Finding the Fourth Proportional to 1,932,511.40, 2,897,730.30 and 809,311.40

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Solution

The fourth proportional to 1,932,511.40, 2,897,730.30 and 809,311.40 is: 1,213,532.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,932,511.40 : 2,897,730.30 = 809,311.40 : x
  2. Step 2: Convert to fraction form
    1,932,511.40/2,897,730.30 = 809,311.40/x
  3. Step 3: Cross multiply
    1,932,511.40x = 2,897,730.30 × 809,311.40
  4. Step 4: Simplify right side
    1,932,511.40x = 2,345,166,165,915.42
  5. Step 5: Solve for x
    x = 2,345,166,165,915.42/1,932,511.40
  6. Step 6: Final answer
    x = 1,213,532.90

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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.