Home / 879,791.08-1,213,829.54-492,549.59

Finding the Fourth Proportional to 879,791.08, 1,213,829.54 and 492,549.59

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Solution

The fourth proportional to 879,791.08, 1,213,829.54 and 492,549.59 is: 679,560.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,791.08 : 1,213,829.54 = 492,549.59 : x
  2. Step 2: Convert to fraction form
    879,791.08/1,213,829.54 = 492,549.59/x
  3. Step 3: Cross multiply
    879,791.08x = 1,213,829.54 × 492,549.59
  4. Step 4: Simplify right side
    879,791.08x = 597,871,233,724.99
  5. Step 5: Solve for x
    x = 597,871,233,724.99/879,791.08
  6. Step 6: Final answer
    x = 679,560.46

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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.