Home / 1,478,413.70-2,217,620.55-1,006,021.70

Finding the Fourth Proportional to 1,478,413.70, 2,217,620.55 and 1,006,021.70

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Solution

The fourth proportional to 1,478,413.70, 2,217,620.55 and 1,006,021.70 is: 1,509,032.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,413.70 : 2,217,620.55 = 1,006,021.70 : x
  2. Step 2: Convert to fraction form
    1,478,413.70/2,217,620.55 = 1,006,021.70/x
  3. Step 3: Cross multiply
    1,478,413.70x = 2,217,620.55 × 1,006,021.70
  4. Step 4: Simplify right side
    1,478,413.70x = 2,230,974,395,665.93
  5. Step 5: Solve for x
    x = 2,230,974,395,665.93/1,478,413.70
  6. Step 6: Final answer
    x = 1,509,032.55

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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.