Home / 1,603,928.06-2,405,871.34-389,514.64

Finding the Fourth Proportional to 1,603,928.06, 2,405,871.34 and 389,514.64

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Solution

The fourth proportional to 1,603,928.06, 2,405,871.34 and 389,514.64 is: 584,266.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,928.06 : 2,405,871.34 = 389,514.64 : x
  2. Step 2: Convert to fraction form
    1,603,928.06/2,405,871.34 = 389,514.64/x
  3. Step 3: Cross multiply
    1,603,928.06x = 2,405,871.34 × 389,514.64
  4. Step 4: Simplify right side
    1,603,928.06x = 937,122,108,886.42
  5. Step 5: Solve for x
    x = 937,122,108,886.42/1,603,928.06
  6. Step 6: Final answer
    x = 584,266.92

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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.