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Finding the Fourth Proportional to 1,797,824.60, 2,693,237.70 and 1,085,737.40

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Solution

The fourth proportional to 1,797,824.60, 2,693,237.70 and 1,085,737.40 is: 1,626,492.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,797,824.60 : 2,693,237.70 = 1,085,737.40 : x
  2. Step 2: Convert to fraction form
    1,797,824.60/2,693,237.70 = 1,085,737.40/x
  3. Step 3: Cross multiply
    1,797,824.60x = 2,693,237.70 × 1,085,737.40
  4. Step 4: Simplify right side
    1,797,824.60x = 2,924,148,897,979.98
  5. Step 5: Solve for x
    x = 2,924,148,897,979.98/1,797,824.60
  6. Step 6: Final answer
    x = 1,626,492.87

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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.