Home / 863,946-1,192,242.06-481,972.32

Finding the Fourth Proportional to 863,946, 1,192,242.06 and 481,972.32

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Solution

The fourth proportional to 863,946, 1,192,242.06 and 481,972.32 is: 665,119.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,946 : 1,192,242.06 = 481,972.32 : x
  2. Step 2: Convert to fraction form
    863,946/1,192,242.06 = 481,972.32/x
  3. Step 3: Cross multiply
    863,946x = 1,192,242.06 × 481,972.32
  4. Step 4: Simplify right side
    863,946x = 574,627,671,659.78
  5. Step 5: Solve for x
    x = 574,627,671,659.78/863,946
  6. Step 6: Final answer
    x = 665,119.89

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1.5x scale

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.