Home / 1,391,845.94-2,087,768.91-341,221.94

Finding the Fourth Proportional to 1,391,845.94, 2,087,768.91 and 341,221.94

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Solution

The fourth proportional to 1,391,845.94, 2,087,768.91 and 341,221.94 is: 511,832.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,391,845.94 : 2,087,768.91 = 341,221.94 : x
  2. Step 2: Convert to fraction form
    1,391,845.94/2,087,768.91 = 341,221.94/x
  3. Step 3: Cross multiply
    1,391,845.94x = 2,087,768.91 × 341,221.94
  4. Step 4: Simplify right side
    1,391,845.94x = 712,392,557,741.89
  5. Step 5: Solve for x
    x = 712,392,557,741.89/1,391,845.94
  6. Step 6: Final answer
    x = 511,832.91

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1.5x scale

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.