Home / 1,116,639.12-1,541,111.40-633,379.44

Finding the Fourth Proportional to 1,116,639.12, 1,541,111.40 and 633,379.44

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Solution

The fourth proportional to 1,116,639.12, 1,541,111.40 and 633,379.44 is: 874,148.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,639.12 : 1,541,111.40 = 633,379.44 : x
  2. Step 2: Convert to fraction form
    1,116,639.12/1,541,111.40 = 633,379.44/x
  3. Step 3: Cross multiply
    1,116,639.12x = 1,541,111.40 × 633,379.44
  4. Step 4: Simplify right side
    1,116,639.12x = 976,108,275,509.62
  5. Step 5: Solve for x
    x = 976,108,275,509.62/1,116,639.12
  6. Step 6: Final answer
    x = 874,148.38

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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.