Home / 859,713.72-1,186,396.38-477,732.48

Finding the Fourth Proportional to 859,713.72, 1,186,396.38 and 477,732.48

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Solution

The fourth proportional to 859,713.72, 1,186,396.38 and 477,732.48 is: 659,266.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,713.72 : 1,186,396.38 = 477,732.48 : x
  2. Step 2: Convert to fraction form
    859,713.72/1,186,396.38 = 477,732.48/x
  3. Step 3: Cross multiply
    859,713.72x = 1,186,396.38 × 477,732.48
  4. Step 4: Simplify right side
    859,713.72x = 566,780,084,880.42
  5. Step 5: Solve for x
    x = 566,780,084,880.42/859,713.72
  6. Step 6: Final answer
    x = 659,266.07

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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.