Home / 1,208,413.02-1,667,576.70-664,548.81

Finding the Fourth Proportional to 1,208,413.02, 1,667,576.70 and 664,548.81

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Solution

The fourth proportional to 1,208,413.02, 1,667,576.70 and 664,548.81 is: 917,059.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,413.02 : 1,667,576.70 = 664,548.81 : x
  2. Step 2: Convert to fraction form
    1,208,413.02/1,667,576.70 = 664,548.81/x
  3. Step 3: Cross multiply
    1,208,413.02x = 1,667,576.70 × 664,548.81
  4. Step 4: Simplify right side
    1,208,413.02x = 1,108,186,111,568.73
  5. Step 5: Solve for x
    x = 1,108,186,111,568.73/1,208,413.02
  6. Step 6: Final answer
    x = 917,059.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.