Home / 1,179,408.60-1,769,112.90-1,159,725.60

Finding the Fourth Proportional to 1,179,408.60, 1,769,112.90 and 1,159,725.60

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Solution

The fourth proportional to 1,179,408.60, 1,769,112.90 and 1,159,725.60 is: 1,739,588.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,408.60 : 1,769,112.90 = 1,159,725.60 : x
  2. Step 2: Convert to fraction form
    1,179,408.60/1,769,112.90 = 1,159,725.60/x
  3. Step 3: Cross multiply
    1,179,408.60x = 1,769,112.90 × 1,159,725.60
  4. Step 4: Simplify right side
    1,179,408.60x = 2,051,685,519,420.24
  5. Step 5: Solve for x
    x = 2,051,685,519,420.24/1,179,408.60
  6. Step 6: Final answer
    x = 1,739,588.40

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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.