Home / 1,054,353.56-1,455,115.32-760,245.21

Finding the Fourth Proportional to 1,054,353.56, 1,455,115.32 and 760,245.21

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Solution

The fourth proportional to 1,054,353.56, 1,455,115.32 and 760,245.21 is: 1,049,215.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,353.56 : 1,455,115.32 = 760,245.21 : x
  2. Step 2: Convert to fraction form
    1,054,353.56/1,455,115.32 = 760,245.21/x
  3. Step 3: Cross multiply
    1,054,353.56x = 1,455,115.32 × 760,245.21
  4. Step 4: Simplify right side
    1,054,353.56x = 1,106,244,452,027.62
  5. Step 5: Solve for x
    x = 1,106,244,452,027.62/1,054,353.56
  6. Step 6: Final answer
    x = 1,049,215.84

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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.