Home / 816,815.88-1,127,040.66-477,218.52

Finding the Fourth Proportional to 816,815.88, 1,127,040.66 and 477,218.52

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Solution

The fourth proportional to 816,815.88, 1,127,040.66 and 477,218.52 is: 658,465.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,815.88 : 1,127,040.66 = 477,218.52 : x
  2. Step 2: Convert to fraction form
    816,815.88/1,127,040.66 = 477,218.52/x
  3. Step 3: Cross multiply
    816,815.88x = 1,127,040.66 × 477,218.52
  4. Step 4: Simplify right side
    816,815.88x = 537,844,675,745.02
  5. Step 5: Solve for x
    x = 537,844,675,745.02/816,815.88
  6. Step 6: Final answer
    x = 658,465.01

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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.