Home / 1,328,413.98-1,833,158.40-784,724.40

Finding the Fourth Proportional to 1,328,413.98, 1,833,158.40 and 784,724.40

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Solution

The fourth proportional to 1,328,413.98, 1,833,158.40 and 784,724.40 is: 1,082,888.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,413.98 : 1,833,158.40 = 784,724.40 : x
  2. Step 2: Convert to fraction form
    1,328,413.98/1,833,158.40 = 784,724.40/x
  3. Step 3: Cross multiply
    1,328,413.98x = 1,833,158.40 × 784,724.40
  4. Step 4: Simplify right side
    1,328,413.98x = 1,438,524,125,544.96
  5. Step 5: Solve for x
    x = 1,438,524,125,544.96/1,328,413.98
  6. Step 6: Final answer
    x = 1,082,888.43

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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.