Home / 1,114,503.07-1,538,019.93-605,205.45

Finding the Fourth Proportional to 1,114,503.07, 1,538,019.93 and 605,205.45

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Solution

The fourth proportional to 1,114,503.07, 1,538,019.93 and 605,205.45 is: 835,186.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,503.07 : 1,538,019.93 = 605,205.45 : x
  2. Step 2: Convert to fraction form
    1,114,503.07/1,538,019.93 = 605,205.45/x
  3. Step 3: Cross multiply
    1,114,503.07x = 1,538,019.93 × 605,205.45
  4. Step 4: Simplify right side
    1,114,503.07x = 930,818,043,844.62
  5. Step 5: Solve for x
    x = 930,818,043,844.62/1,114,503.07
  6. Step 6: Final answer
    x = 835,186.61

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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.