Home / 1,418,797.35-1,957,981.88-774,259.09

Finding the Fourth Proportional to 1,418,797.35, 1,957,981.88 and 774,259.09

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Solution

The fourth proportional to 1,418,797.35, 1,957,981.88 and 774,259.09 is: 1,068,500.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,797.35 : 1,957,981.88 = 774,259.09 : x
  2. Step 2: Convert to fraction form
    1,418,797.35/1,957,981.88 = 774,259.09/x
  3. Step 3: Cross multiply
    1,418,797.35x = 1,957,981.88 × 774,259.09
  4. Step 4: Simplify right side
    1,418,797.35x = 1,515,985,265,685.98
  5. Step 5: Solve for x
    x = 1,515,985,265,685.98/1,418,797.35
  6. Step 6: Final answer
    x = 1,068,500.21

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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.