Home / 1,260,615.12-1,890,667.52-461,623.83

Finding the Fourth Proportional to 1,260,615.12, 1,890,667.52 and 461,623.83

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Solution

The fourth proportional to 1,260,615.12, 1,890,667.52 and 461,623.83 is: 692,342.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,615.12 : 1,890,667.52 = 461,623.83 : x
  2. Step 2: Convert to fraction form
    1,260,615.12/1,890,667.52 = 461,623.83/x
  3. Step 3: Cross multiply
    1,260,615.12x = 1,890,667.52 × 461,623.83
  4. Step 4: Simplify right side
    1,260,615.12x = 872,777,181,839.00
  5. Step 5: Solve for x
    x = 872,777,181,839.00/1,260,615.12
  6. Step 6: Final answer
    x = 692,342.31

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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.