Home / 1,321,603.84-1,823,777.86-777,771.66

Finding the Fourth Proportional to 1,321,603.84, 1,823,777.86 and 777,771.66

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Solution

The fourth proportional to 1,321,603.84, 1,823,777.86 and 777,771.66 is: 1,073,304.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,603.84 : 1,823,777.86 = 777,771.66 : x
  2. Step 2: Convert to fraction form
    1,321,603.84/1,823,777.86 = 777,771.66/x
  3. Step 3: Cross multiply
    1,321,603.84x = 1,823,777.86 × 777,771.66
  4. Step 4: Simplify right side
    1,321,603.84x = 1,418,482,733,643.45
  5. Step 5: Solve for x
    x = 1,418,482,733,643.45/1,321,603.84
  6. Step 6: Final answer
    x = 1,073,304.03

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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.