Home / 397,645.20-596,467.80-229,683.60

Finding the Fourth Proportional to 397,645.20, 596,467.80 and 229,683.60

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Solution

The fourth proportional to 397,645.20, 596,467.80 and 229,683.60 is: 344,525.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,645.20 : 596,467.80 = 229,683.60 : x
  2. Step 2: Convert to fraction form
    397,645.20/596,467.80 = 229,683.60/x
  3. Step 3: Cross multiply
    397,645.20x = 596,467.80 × 229,683.60
  4. Step 4: Simplify right side
    397,645.20x = 136,998,871,588.08
  5. Step 5: Solve for x
    x = 136,998,871,588.08/397,645.20
  6. Step 6: Final answer
    x = 344,525.40

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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.