Home / 1,178,228.44-1,625,897.34-668,863.96

Finding the Fourth Proportional to 1,178,228.44, 1,625,897.34 and 668,863.96

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Solution

The fourth proportional to 1,178,228.44, 1,625,897.34 and 668,863.96 is: 922,999.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,228.44 : 1,625,897.34 = 668,863.96 : x
  2. Step 2: Convert to fraction form
    1,178,228.44/1,625,897.34 = 668,863.96/x
  3. Step 3: Cross multiply
    1,178,228.44x = 1,625,897.34 × 668,863.96
  4. Step 4: Simplify right side
    1,178,228.44x = 1,087,504,133,385.87
  5. Step 5: Solve for x
    x = 1,087,504,133,385.87/1,178,228.44
  6. Step 6: Final answer
    x = 922,999.39

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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.