Home / 1,617,328.14-2,420,943.90-1,191,344.28

Finding the Fourth Proportional to 1,617,328.14, 2,420,943.90 and 1,191,344.28

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Solution

The fourth proportional to 1,617,328.14, 2,420,943.90 and 1,191,344.28 is: 1,783,297.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617,328.14 : 2,420,943.90 = 1,191,344.28 : x
  2. Step 2: Convert to fraction form
    1,617,328.14/2,420,943.90 = 1,191,344.28/x
  3. Step 3: Cross multiply
    1,617,328.14x = 2,420,943.90 × 1,191,344.28
  4. Step 4: Simplify right side
    1,617,328.14x = 2,884,177,667,465.89
  5. Step 5: Solve for x
    x = 2,884,177,667,465.89/1,617,328.14
  6. Step 6: Final answer
    x = 1,783,297.77

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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.