Home / 1,101,839.41-1,520,691.74-611,919.01

Finding the Fourth Proportional to 1,101,839.41, 1,520,691.74 and 611,919.01

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Solution

The fourth proportional to 1,101,839.41, 1,520,691.74 and 611,919.01 is: 844,533.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,839.41 : 1,520,691.74 = 611,919.01 : x
  2. Step 2: Convert to fraction form
    1,101,839.41/1,520,691.74 = 611,919.01/x
  3. Step 3: Cross multiply
    1,101,839.41x = 1,520,691.74 × 611,919.01
  4. Step 4: Simplify right side
    1,101,839.41x = 930,540,184,055.98
  5. Step 5: Solve for x
    x = 930,540,184,055.98/1,101,839.41
  6. Step 6: Final answer
    x = 844,533.40

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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.