Home / 1,586,071.44-2,379,573.72-638,954.64

Finding the Fourth Proportional to 1,586,071.44, 2,379,573.72 and 638,954.64

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Solution

The fourth proportional to 1,586,071.44, 2,379,573.72 and 638,954.64 is: 958,619.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586,071.44 : 2,379,573.72 = 638,954.64 : x
  2. Step 2: Convert to fraction form
    1,586,071.44/2,379,573.72 = 638,954.64/x
  3. Step 3: Cross multiply
    1,586,071.44x = 2,379,573.72 × 638,954.64
  4. Step 4: Simplify right side
    1,586,071.44x = 1,520,439,669,616.06
  5. Step 5: Solve for x
    x = 1,520,439,669,616.06/1,586,071.44
  6. Step 6: Final answer
    x = 958,619.92

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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.