Home / 1,128,661.22-1,557,597.39-619,381.82

Finding the Fourth Proportional to 1,128,661.22, 1,557,597.39 and 619,381.82

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Solution

The fourth proportional to 1,128,661.22, 1,557,597.39 and 619,381.82 is: 854,771.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,661.22 : 1,557,597.39 = 619,381.82 : x
  2. Step 2: Convert to fraction form
    1,128,661.22/1,557,597.39 = 619,381.82/x
  3. Step 3: Cross multiply
    1,128,661.22x = 1,557,597.39 × 619,381.82
  4. Step 4: Simplify right side
    1,128,661.22x = 964,747,506,245.45
  5. Step 5: Solve for x
    x = 964,747,506,245.45/1,128,661.22
  6. Step 6: Final answer
    x = 854,771.56

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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.