Home / 839,566.62-1,259,720.91-440,111.88

Finding the Fourth Proportional to 839,566.62, 1,259,720.91 and 440,111.88

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Solution

The fourth proportional to 839,566.62, 1,259,720.91 and 440,111.88 is: 660,362.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,566.62 : 1,259,720.91 = 440,111.88 : x
  2. Step 2: Convert to fraction form
    839,566.62/1,259,720.91 = 440,111.88/x
  3. Step 3: Cross multiply
    839,566.62x = 1,259,720.91 × 440,111.88
  4. Step 4: Simplify right side
    839,566.62x = 554,418,137,975.41
  5. Step 5: Solve for x
    x = 554,418,137,975.41/839,566.62
  6. Step 6: Final answer
    x = 660,362.29

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1.5x scale

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.