Home / 477,637.21-659,139.32-262,772.66

Finding the Fourth Proportional to 477,637.21, 659,139.32 and 262,772.66

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Solution

The fourth proportional to 477,637.21, 659,139.32 and 262,772.66 is: 362,626.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,637.21 : 659,139.32 = 262,772.66 : x
  2. Step 2: Convert to fraction form
    477,637.21/659,139.32 = 262,772.66/x
  3. Step 3: Cross multiply
    477,637.21x = 659,139.32 × 262,772.66
  4. Step 4: Simplify right side
    477,637.21x = 173,203,789,131.30
  5. Step 5: Solve for x
    x = 173,203,789,131.30/477,637.21
  6. Step 6: Final answer
    x = 362,626.25

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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.