Home / 1,397,608.70-2,096,413.05-1,385,167.10

Finding the Fourth Proportional to 1,397,608.70, 2,096,413.05 and 1,385,167.10

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Solution

The fourth proportional to 1,397,608.70, 2,096,413.05 and 1,385,167.10 is: 2,077,750.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,608.70 : 2,096,413.05 = 1,385,167.10 : x
  2. Step 2: Convert to fraction form
    1,397,608.70/2,096,413.05 = 1,385,167.10/x
  3. Step 3: Cross multiply
    1,397,608.70x = 2,096,413.05 × 1,385,167.10
  4. Step 4: Simplify right side
    1,397,608.70x = 2,903,882,384,870.66
  5. Step 5: Solve for x
    x = 2,903,882,384,870.66/1,397,608.70
  6. Step 6: Final answer
    x = 2,077,750.65

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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.