Home / 1,381,413.44-2,072,400.42-434,563.94

Finding the Fourth Proportional to 1,381,413.44, 2,072,400.42 and 434,563.94

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Solution

The fourth proportional to 1,381,413.44, 2,072,400.42 and 434,563.94 is: 651,934.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,413.44 : 2,072,400.42 = 434,563.94 : x
  2. Step 2: Convert to fraction form
    1,381,413.44/2,072,400.42 = 434,563.94/x
  3. Step 3: Cross multiply
    1,381,413.44x = 2,072,400.42 × 434,563.94
  4. Step 4: Simplify right side
    1,381,413.44x = 900,590,483,259.54
  5. Step 5: Solve for x
    x = 900,590,483,259.54/1,381,413.44
  6. Step 6: Final answer
    x = 651,934.07

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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.