Home / 382,818.20-574,349.70-116,629.40

Finding the Fourth Proportional to 382,818.20, 574,349.70 and 116,629.40

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Solution

The fourth proportional to 382,818.20, 574,349.70 and 116,629.40 is: 174,981.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,818.20 : 574,349.70 = 116,629.40 : x
  2. Step 2: Convert to fraction form
    382,818.20/574,349.70 = 116,629.40/x
  3. Step 3: Cross multiply
    382,818.20x = 574,349.70 × 116,629.40
  4. Step 4: Simplify right side
    382,818.20x = 66,986,060,901.18
  5. Step 5: Solve for x
    x = 66,986,060,901.18/382,818.20
  6. Step 6: Final answer
    x = 174,981.39

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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.