Home / 1,209,995.63-1,669,891.59-693,797.55

Finding the Fourth Proportional to 1,209,995.63, 1,669,891.59 and 693,797.55

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Solution

The fourth proportional to 1,209,995.63, 1,669,891.59 and 693,797.55 is: 957,496.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,995.63 : 1,669,891.59 = 693,797.55 : x
  2. Step 2: Convert to fraction form
    1,209,995.63/1,669,891.59 = 693,797.55/x
  3. Step 3: Cross multiply
    1,209,995.63x = 1,669,891.59 × 693,797.55
  4. Step 4: Simplify right side
    1,209,995.63x = 1,158,566,690,438.62
  5. Step 5: Solve for x
    x = 1,158,566,690,438.62/1,209,995.63
  6. Step 6: Final answer
    x = 957,496.59

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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.