Home / 1,698,287.68-2,548,043.88-856,205.20

Finding the Fourth Proportional to 1,698,287.68, 2,548,043.88 and 856,205.20

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Solution

The fourth proportional to 1,698,287.68, 2,548,043.88 and 856,205.20 is: 1,284,616.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,698,287.68 : 2,548,043.88 = 856,205.20 : x
  2. Step 2: Convert to fraction form
    1,698,287.68/2,548,043.88 = 856,205.20/x
  3. Step 3: Cross multiply
    1,698,287.68x = 2,548,043.88 × 856,205.20
  4. Step 4: Simplify right side
    1,698,287.68x = 2,181,648,419,884.18
  5. Step 5: Solve for x
    x = 2,181,648,419,884.18/1,698,287.68
  6. Step 6: Final answer
    x = 1,284,616.53

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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.