Home / 990,214.71-1,482,763.99-683,413.38

Finding the Fourth Proportional to 990,214.71, 1,482,763.99 and 683,413.38

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Solution

The fourth proportional to 990,214.71, 1,482,763.99 and 683,413.38 is: 1,023,354.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,214.71 : 1,482,763.99 = 683,413.38 : x
  2. Step 2: Convert to fraction form
    990,214.71/1,482,763.99 = 683,413.38/x
  3. Step 3: Cross multiply
    990,214.71x = 1,482,763.99 × 683,413.38
  4. Step 4: Simplify right side
    990,214.71x = 1,013,340,750,148.19
  5. Step 5: Solve for x
    x = 1,013,340,750,148.19/990,214.71
  6. Step 6: Final answer
    x = 1,023,354.57

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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.