Home / 1,372,005.19-1,893,367.16-768,393.19

Finding the Fourth Proportional to 1,372,005.19, 1,893,367.16 and 768,393.19

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Solution

The fourth proportional to 1,372,005.19, 1,893,367.16 and 768,393.19 is: 1,060,382.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372,005.19 : 1,893,367.16 = 768,393.19 : x
  2. Step 2: Convert to fraction form
    1,372,005.19/1,893,367.16 = 768,393.19/x
  3. Step 3: Cross multiply
    1,372,005.19x = 1,893,367.16 × 768,393.19
  4. Step 4: Simplify right side
    1,372,005.19x = 1,454,850,426,219.73
  5. Step 5: Solve for x
    x = 1,454,850,426,219.73/1,372,005.19
  6. Step 6: Final answer
    x = 1,060,382.60

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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.