Home / 362,934.36-500,821.20-201,779.64

Finding the Fourth Proportional to 362,934.36, 500,821.20 and 201,779.64

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Solution

The fourth proportional to 362,934.36, 500,821.20 and 201,779.64 is: 278,440.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,934.36 : 500,821.20 = 201,779.64 : x
  2. Step 2: Convert to fraction form
    362,934.36/500,821.20 = 201,779.64/x
  3. Step 3: Cross multiply
    362,934.36x = 500,821.20 × 201,779.64
  4. Step 4: Simplify right side
    362,934.36x = 101,055,521,440.37
  5. Step 5: Solve for x
    x = 101,055,521,440.37/362,934.36
  6. Step 6: Final answer
    x = 278,440.22

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1.5x scale

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.