Home / 1,095,338.60-1,640,243.10-719,325.80

Finding the Fourth Proportional to 1,095,338.60, 1,640,243.10 and 719,325.80

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Solution

The fourth proportional to 1,095,338.60, 1,640,243.10 and 719,325.80 is: 1,077,173.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,338.60 : 1,640,243.10 = 719,325.80 : x
  2. Step 2: Convert to fraction form
    1,095,338.60/1,640,243.10 = 719,325.80/x
  3. Step 3: Cross multiply
    1,095,338.60x = 1,640,243.10 × 719,325.80
  4. Step 4: Simplify right side
    1,095,338.60x = 1,179,869,180,101.98
  5. Step 5: Solve for x
    x = 1,179,869,180,101.98/1,095,338.60
  6. Step 6: Final answer
    x = 1,077,173.01

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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.