Home / 1,690,893.90-2,536,319.25-411,503.58

Finding the Fourth Proportional to 1,690,893.90, 2,536,319.25 and 411,503.58

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Solution

The fourth proportional to 1,690,893.90, 2,536,319.25 and 411,503.58 is: 617,250.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,893.90 : 2,536,319.25 = 411,503.58 : x
  2. Step 2: Convert to fraction form
    1,690,893.90/2,536,319.25 = 411,503.58/x
  3. Step 3: Cross multiply
    1,690,893.90x = 2,536,319.25 × 411,503.58
  4. Step 4: Simplify right side
    1,690,893.90x = 1,043,704,451,397.92
  5. Step 5: Solve for x
    x = 1,043,704,451,397.92/1,690,893.90
  6. Step 6: Final answer
    x = 617,250.11

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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.