Home / 1,212,953.55-1,674,413.88-783,443.14

Finding the Fourth Proportional to 1,212,953.55, 1,674,413.88 and 783,443.14

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Solution

The fourth proportional to 1,212,953.55, 1,674,413.88 and 783,443.14 is: 1,081,499.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,953.55 : 1,674,413.88 = 783,443.14 : x
  2. Step 2: Convert to fraction form
    1,212,953.55/1,674,413.88 = 783,443.14/x
  3. Step 3: Cross multiply
    1,212,953.55x = 1,674,413.88 × 783,443.14
  4. Step 4: Simplify right side
    1,212,953.55x = 1,311,808,067,806.78
  5. Step 5: Solve for x
    x = 1,311,808,067,806.78/1,212,953.55
  6. Step 6: Final answer
    x = 1,081,499.01

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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.