Home / 980,413.24-1,470,160.58-411,672.94

Finding the Fourth Proportional to 980,413.24, 1,470,160.58 and 411,672.94

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Solution

The fourth proportional to 980,413.24, 1,470,160.58 and 411,672.94 is: 617,316.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,413.24 : 1,470,160.58 = 411,672.94 : x
  2. Step 2: Convert to fraction form
    980,413.24/1,470,160.58 = 411,672.94/x
  3. Step 3: Cross multiply
    980,413.24x = 1,470,160.58 × 411,672.94
  4. Step 4: Simplify right side
    980,413.24x = 605,225,328,240.71
  5. Step 5: Solve for x
    x = 605,225,328,240.71/980,413.24
  6. Step 6: Final answer
    x = 617,316.56

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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.