Home / 1,118,705.96-1,543,824.39-677,190.68

Finding the Fourth Proportional to 1,118,705.96, 1,543,824.39 and 677,190.68

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Solution

The fourth proportional to 1,118,705.96, 1,543,824.39 and 677,190.68 is: 934,529.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,705.96 : 1,543,824.39 = 677,190.68 : x
  2. Step 2: Convert to fraction form
    1,118,705.96/1,543,824.39 = 677,190.68/x
  3. Step 3: Cross multiply
    1,118,705.96x = 1,543,824.39 × 677,190.68
  4. Step 4: Simplify right side
    1,118,705.96x = 1,045,463,483,360.57
  5. Step 5: Solve for x
    x = 1,045,463,483,360.57/1,118,705.96
  6. Step 6: Final answer
    x = 934,529.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.