Home / 1,101,809.96-1,520,573.06-611,804.78

Finding the Fourth Proportional to 1,101,809.96, 1,520,573.06 and 611,804.78

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Solution

The fourth proportional to 1,101,809.96, 1,520,573.06 and 611,804.78 is: 844,332.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,809.96 : 1,520,573.06 = 611,804.78 : x
  2. Step 2: Convert to fraction form
    1,101,809.96/1,520,573.06 = 611,804.78/x
  3. Step 3: Cross multiply
    1,101,809.96x = 1,520,573.06 × 611,804.78
  4. Step 4: Simplify right side
    1,101,809.96x = 930,293,862,634.62
  5. Step 5: Solve for x
    x = 930,293,862,634.62/1,101,809.96
  6. Step 6: Final answer
    x = 844,332.41

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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.