Home / 1,261,262.50-1,890,768.81-462,357.54

Finding the Fourth Proportional to 1,261,262.50, 1,890,768.81 and 462,357.54

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Solution

The fourth proportional to 1,261,262.50, 1,890,768.81 and 462,357.54 is: 693,123.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,262.50 : 1,890,768.81 = 462,357.54 : x
  2. Step 2: Convert to fraction form
    1,261,262.50/1,890,768.81 = 462,357.54/x
  3. Step 3: Cross multiply
    1,261,262.50x = 1,890,768.81 × 462,357.54
  4. Step 4: Simplify right side
    1,261,262.50x = 874,211,215,700.33
  5. Step 5: Solve for x
    x = 874,211,215,700.33/1,261,262.50
  6. Step 6: Final answer
    x = 693,123.93

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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.