Home / 1,340,391.80-1,848,467.66-881,895.45

Finding the Fourth Proportional to 1,340,391.80, 1,848,467.66 and 881,895.45

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Solution

The fourth proportional to 1,340,391.80, 1,848,467.66 and 881,895.45 is: 1,216,178.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,391.80 : 1,848,467.66 = 881,895.45 : x
  2. Step 2: Convert to fraction form
    1,340,391.80/1,848,467.66 = 881,895.45/x
  3. Step 3: Cross multiply
    1,340,391.80x = 1,848,467.66 × 881,895.45
  4. Step 4: Simplify right side
    1,340,391.80x = 1,630,155,218,391.79
  5. Step 5: Solve for x
    x = 1,630,155,218,391.79/1,340,391.80
  6. Step 6: Final answer
    x = 1,216,178.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.