Home / 1,603,572.03-2,405,337.97-389,158.72

Finding the Fourth Proportional to 1,603,572.03, 2,405,337.97 and 389,158.72

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Solution

The fourth proportional to 1,603,572.03, 2,405,337.97 and 389,158.72 is: 583,733.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,572.03 : 2,405,337.97 = 389,158.72 : x
  2. Step 2: Convert to fraction form
    1,603,572.03/2,405,337.97 = 389,158.72/x
  3. Step 3: Cross multiply
    1,603,572.03x = 2,405,337.97 × 389,158.72
  4. Step 4: Simplify right side
    1,603,572.03x = 936,058,238,586.36
  5. Step 5: Solve for x
    x = 936,058,238,586.36/1,603,572.03
  6. Step 6: Final answer
    x = 583,733.20

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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.