Home / 1,256,931.89-1,734,605.21-713,090.60

Finding the Fourth Proportional to 1,256,931.89, 1,734,605.21 and 713,090.60

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Solution

The fourth proportional to 1,256,931.89, 1,734,605.21 and 713,090.60 is: 984,087.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,931.89 : 1,734,605.21 = 713,090.60 : x
  2. Step 2: Convert to fraction form
    1,256,931.89/1,734,605.21 = 713,090.60/x
  3. Step 3: Cross multiply
    1,256,931.89x = 1,734,605.21 × 713,090.60
  4. Step 4: Simplify right side
    1,256,931.89x = 1,236,930,669,962.03
  5. Step 5: Solve for x
    x = 1,236,930,669,962.03/1,256,931.89
  6. Step 6: Final answer
    x = 984,087.27

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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.