Home / 1,663,376.32-2,295,485.72-938,238.44

Finding the Fourth Proportional to 1,663,376.32, 2,295,485.72 and 938,238.44

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Solution

The fourth proportional to 1,663,376.32, 2,295,485.72 and 938,238.44 is: 1,294,783.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,376.32 : 2,295,485.72 = 938,238.44 : x
  2. Step 2: Convert to fraction form
    1,663,376.32/2,295,485.72 = 938,238.44/x
  3. Step 3: Cross multiply
    1,663,376.32x = 2,295,485.72 × 938,238.44
  4. Step 4: Simplify right side
    1,663,376.32x = 2,153,712,940,975.08
  5. Step 5: Solve for x
    x = 2,153,712,940,975.08/1,663,376.32
  6. Step 6: Final answer
    x = 1,294,783.94

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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.