Home / 1,641,964.16-2,266,288.32-963,119.36

Finding the Fourth Proportional to 1,641,964.16, 2,266,288.32 and 963,119.36

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Solution

The fourth proportional to 1,641,964.16, 2,266,288.32 and 963,119.36 is: 1,329,326.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,641,964.16 : 2,266,288.32 = 963,119.36 : x
  2. Step 2: Convert to fraction form
    1,641,964.16/2,266,288.32 = 963,119.36/x
  3. Step 3: Cross multiply
    1,641,964.16x = 2,266,288.32 × 963,119.36
  4. Step 4: Simplify right side
    1,641,964.16x = 2,182,706,156,333.88
  5. Step 5: Solve for x
    x = 2,182,706,156,333.88/1,641,964.16
  6. Step 6: Final answer
    x = 1,329,326.31

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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.