Home / 1,764,193.56-2,645,577.96-684,137.40

Finding the Fourth Proportional to 1,764,193.56, 2,645,577.96 and 684,137.40

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Solution

The fourth proportional to 1,764,193.56, 2,645,577.96 and 684,137.40 is: 1,025,929.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,764,193.56 : 2,645,577.96 = 684,137.40 : x
  2. Step 2: Convert to fraction form
    1,764,193.56/2,645,577.96 = 684,137.40/x
  3. Step 3: Cross multiply
    1,764,193.56x = 2,645,577.96 × 684,137.40
  4. Step 4: Simplify right side
    1,764,193.56x = 1,809,938,827,051.70
  5. Step 5: Solve for x
    x = 1,809,938,827,051.70/1,764,193.56
  6. Step 6: Final answer
    x = 1,025,929.85

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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.