Home / 1,342,087.92-2,012,509.80-500,413.68

Finding the Fourth Proportional to 1,342,087.92, 2,012,509.80 and 500,413.68

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Solution

The fourth proportional to 1,342,087.92, 2,012,509.80 and 500,413.68 is: 750,388.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,087.92 : 2,012,509.80 = 500,413.68 : x
  2. Step 2: Convert to fraction form
    1,342,087.92/2,012,509.80 = 500,413.68/x
  3. Step 3: Cross multiply
    1,342,087.92x = 2,012,509.80 × 500,413.68
  4. Step 4: Simplify right side
    1,342,087.92x = 1,007,087,435,054.06
  5. Step 5: Solve for x
    x = 1,007,087,435,054.06/1,342,087.92
  6. Step 6: Final answer
    x = 750,388.57

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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.