Home / 1,692,808.38-2,540,318.49-806,413.50

Finding the Fourth Proportional to 1,692,808.38, 2,540,318.49 and 806,413.50

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Solution

The fourth proportional to 1,692,808.38, 2,540,318.49 and 806,413.50 is: 1,210,147.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,692,808.38 : 2,540,318.49 = 806,413.50 : x
  2. Step 2: Convert to fraction form
    1,692,808.38/2,540,318.49 = 806,413.50/x
  3. Step 3: Cross multiply
    1,692,808.38x = 2,540,318.49 × 806,413.50
  4. Step 4: Simplify right side
    1,692,808.38x = 2,048,547,124,635.62
  5. Step 5: Solve for x
    x = 2,048,547,124,635.62/1,692,808.38
  6. Step 6: Final answer
    x = 1,210,147.08

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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.