Home / 1,209,855.60-1,815,366.60-854,103.60

Finding the Fourth Proportional to 1,209,855.60, 1,815,366.60 and 854,103.60

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Solution

The fourth proportional to 1,209,855.60, 1,815,366.60 and 854,103.60 is: 1,281,567.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,855.60 : 1,815,366.60 = 854,103.60 : x
  2. Step 2: Convert to fraction form
    1,209,855.60/1,815,366.60 = 854,103.60/x
  3. Step 3: Cross multiply
    1,209,855.60x = 1,815,366.60 × 854,103.60
  4. Step 4: Simplify right side
    1,209,855.60x = 1,550,511,148,379.76
  5. Step 5: Solve for x
    x = 1,550,511,148,379.76/1,209,855.60
  6. Step 6: Final answer
    x = 1,281,567.11

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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.