Home / 1,261,359.96-1,890,915-462,455.36

Finding the Fourth Proportional to 1,261,359.96, 1,890,915 and 462,455.36

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Solution

The fourth proportional to 1,261,359.96, 1,890,915 and 462,455.36 is: 693,270.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,359.96 : 1,890,915 = 462,455.36 : x
  2. Step 2: Convert to fraction form
    1,261,359.96/1,890,915 = 462,455.36/x
  3. Step 3: Cross multiply
    1,261,359.96x = 1,890,915 × 462,455.36
  4. Step 4: Simplify right side
    1,261,359.96x = 874,463,777,054.40
  5. Step 5: Solve for x
    x = 874,463,777,054.40/1,261,359.96
  6. Step 6: Final answer
    x = 693,270.60

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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.