Home / 1,261,262.34-1,890,768.56-462,357.42

Finding the Fourth Proportional to 1,261,262.34, 1,890,768.56 and 462,357.42

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Solution

The fourth proportional to 1,261,262.34, 1,890,768.56 and 462,357.42 is: 693,123.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,262.34 : 1,890,768.56 = 462,357.42 : x
  2. Step 2: Convert to fraction form
    1,261,262.34/1,890,768.56 = 462,357.42/x
  3. Step 3: Cross multiply
    1,261,262.34x = 1,890,768.56 × 462,357.42
  4. Step 4: Simplify right side
    1,261,262.34x = 874,210,863,816.55
  5. Step 5: Solve for x
    x = 874,210,863,816.55/1,261,262.34
  6. Step 6: Final answer
    x = 693,123.73

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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.