Home / 1,277,338.73-1,913,839.18-770,835.43

Finding the Fourth Proportional to 1,277,338.73, 1,913,839.18 and 770,835.43

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Solution

The fourth proportional to 1,277,338.73, 1,913,839.18 and 770,835.43 is: 1,154,944.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,338.73 : 1,913,839.18 = 770,835.43 : x
  2. Step 2: Convert to fraction form
    1,277,338.73/1,913,839.18 = 770,835.43/x
  3. Step 3: Cross multiply
    1,277,338.73x = 1,913,839.18 × 770,835.43
  4. Step 4: Simplify right side
    1,277,338.73x = 1,475,255,046,684.63
  5. Step 5: Solve for x
    x = 1,475,255,046,684.63/1,277,338.73
  6. Step 6: Final answer
    x = 1,154,944.27

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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.