Home / 1,040,176.40-1,560,264.60-919,907.60

Finding the Fourth Proportional to 1,040,176.40, 1,560,264.60 and 919,907.60

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Solution

The fourth proportional to 1,040,176.40, 1,560,264.60 and 919,907.60 is: 1,379,861.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,176.40 : 1,560,264.60 = 919,907.60 : x
  2. Step 2: Convert to fraction form
    1,040,176.40/1,560,264.60 = 919,907.60/x
  3. Step 3: Cross multiply
    1,040,176.40x = 1,560,264.60 × 919,907.60
  4. Step 4: Simplify right side
    1,040,176.40x = 1,435,299,263,550.96
  5. Step 5: Solve for x
    x = 1,435,299,263,550.96/1,040,176.40
  6. Step 6: Final answer
    x = 1,379,861.40

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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.