Home / 1,171,409.40-1,757,114.10-698,628.60

Finding the Fourth Proportional to 1,171,409.40, 1,757,114.10 and 698,628.60

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Solution

The fourth proportional to 1,171,409.40, 1,757,114.10 and 698,628.60 is: 1,047,942.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,171,409.40 : 1,757,114.10 = 698,628.60 : x
  2. Step 2: Convert to fraction form
    1,171,409.40/1,757,114.10 = 698,628.60/x
  3. Step 3: Cross multiply
    1,171,409.40x = 1,757,114.10 × 698,628.60
  4. Step 4: Simplify right side
    1,171,409.40x = 1,227,570,163,723.26
  5. Step 5: Solve for x
    x = 1,227,570,163,723.26/1,171,409.40
  6. Step 6: Final answer
    x = 1,047,942.90

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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.