Home / 1,977,235.60-2,965,680.60-647,539.60

Finding the Fourth Proportional to 1,977,235.60, 2,965,680.60 and 647,539.60

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Solution

The fourth proportional to 1,977,235.60, 2,965,680.60 and 647,539.60 is: 971,252.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977,235.60 : 2,965,680.60 = 647,539.60 : x
  2. Step 2: Convert to fraction form
    1,977,235.60/2,965,680.60 = 647,539.60/x
  3. Step 3: Cross multiply
    1,977,235.60x = 2,965,680.60 × 647,539.60
  4. Step 4: Simplify right side
    1,977,235.60x = 1,920,395,629,451.76
  5. Step 5: Solve for x
    x = 1,920,395,629,451.76/1,977,235.60
  6. Step 6: Final answer
    x = 971,252.81

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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.