Home / 1,405,917.33-1,939,689.77-922,437.33

Finding the Fourth Proportional to 1,405,917.33, 1,939,689.77 and 922,437.33

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Solution

The fourth proportional to 1,405,917.33, 1,939,689.77 and 922,437.33 is: 1,272,651.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,917.33 : 1,939,689.77 = 922,437.33 : x
  2. Step 2: Convert to fraction form
    1,405,917.33/1,939,689.77 = 922,437.33/x
  3. Step 3: Cross multiply
    1,405,917.33x = 1,939,689.77 × 922,437.33
  4. Step 4: Simplify right side
    1,405,917.33x = 1,789,242,252,467.11
  5. Step 5: Solve for x
    x = 1,789,242,252,467.11/1,405,917.33
  6. Step 6: Final answer
    x = 1,272,651.11

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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.