Home / 1,139,065.86-1,571,933.64-622,852.08

Finding the Fourth Proportional to 1,139,065.86, 1,571,933.64 and 622,852.08

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Solution

The fourth proportional to 1,139,065.86, 1,571,933.64 and 622,852.08 is: 859,548.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,065.86 : 1,571,933.64 = 622,852.08 : x
  2. Step 2: Convert to fraction form
    1,139,065.86/1,571,933.64 = 622,852.08/x
  3. Step 3: Cross multiply
    1,139,065.86x = 1,571,933.64 × 622,852.08
  4. Step 4: Simplify right side
    1,139,065.86x = 979,082,137,295.97
  5. Step 5: Solve for x
    x = 979,082,137,295.97/1,139,065.86
  6. Step 6: Final answer
    x = 859,548.31

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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.