Home / 1,918,744.20-2,877,338.70-655,921.80

Finding the Fourth Proportional to 1,918,744.20, 2,877,338.70 and 655,921.80

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Solution

The fourth proportional to 1,918,744.20, 2,877,338.70 and 655,921.80 is: 983,616.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,744.20 : 2,877,338.70 = 655,921.80 : x
  2. Step 2: Convert to fraction form
    1,918,744.20/2,877,338.70 = 655,921.80/x
  3. Step 3: Cross multiply
    1,918,744.20x = 2,877,338.70 × 655,921.80
  4. Step 4: Simplify right side
    1,918,744.20x = 1,887,309,179,313.66
  5. Step 5: Solve for x
    x = 1,887,309,179,313.66/1,918,744.20
  6. Step 6: Final answer
    x = 983,616.88

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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.