Home / 948,289.82-1,420,936.63-769,925.39

Finding the Fourth Proportional to 948,289.82, 1,420,936.63 and 769,925.39

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Solution

The fourth proportional to 948,289.82, 1,420,936.63 and 769,925.39 is: 1,153,671.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,289.82 : 1,420,936.63 = 769,925.39 : x
  2. Step 2: Convert to fraction form
    948,289.82/1,420,936.63 = 769,925.39/x
  3. Step 3: Cross multiply
    948,289.82x = 1,420,936.63 × 769,925.39
  4. Step 4: Simplify right side
    948,289.82x = 1,094,015,179,988.54
  5. Step 5: Solve for x
    x = 1,094,015,179,988.54/948,289.82
  6. Step 6: Final answer
    x = 1,153,671.76

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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.