Home / 714,548.58-1,071,261.53-489,227.43

Finding the Fourth Proportional to 714,548.58, 1,071,261.53 and 489,227.43

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Solution

The fourth proportional to 714,548.58, 1,071,261.53 and 489,227.43 is: 733,456.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,548.58 : 1,071,261.53 = 489,227.43 : x
  2. Step 2: Convert to fraction form
    714,548.58/1,071,261.53 = 489,227.43/x
  3. Step 3: Cross multiply
    714,548.58x = 1,071,261.53 × 489,227.43
  4. Step 4: Simplify right side
    714,548.58x = 524,090,525,179.77
  5. Step 5: Solve for x
    x = 524,090,525,179.77/714,548.58
  6. Step 6: Final answer
    x = 733,456.81

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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.