Home / 1,603,573.30-2,405,339.88-389,160

Finding the Fourth Proportional to 1,603,573.30, 2,405,339.88 and 389,160

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Solution

The fourth proportional to 1,603,573.30, 2,405,339.88 and 389,160 is: 583,735.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,573.30 : 2,405,339.88 = 389,160 : x
  2. Step 2: Convert to fraction form
    1,603,573.30/2,405,339.88 = 389,160/x
  3. Step 3: Cross multiply
    1,603,573.30x = 2,405,339.88 × 389,160
  4. Step 4: Simplify right side
    1,603,573.30x = 936,062,067,700.80
  5. Step 5: Solve for x
    x = 936,062,067,700.80/1,603,573.30
  6. Step 6: Final answer
    x = 583,735.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.