Home / 383,766.22-529,743.30-288,549.51

Finding the Fourth Proportional to 383,766.22, 529,743.30 and 288,549.51

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Solution

The fourth proportional to 383,766.22, 529,743.30 and 288,549.51 is: 398,308.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,766.22 : 529,743.30 = 288,549.51 : x
  2. Step 2: Convert to fraction form
    383,766.22/529,743.30 = 288,549.51/x
  3. Step 3: Cross multiply
    383,766.22x = 529,743.30 × 288,549.51
  4. Step 4: Simplify right side
    383,766.22x = 152,857,166,572.19
  5. Step 5: Solve for x
    x = 152,857,166,572.19/383,766.22
  6. Step 6: Final answer
    x = 398,308.03

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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.