Home / 383,869.40-575,847.30-117,627.80

Finding the Fourth Proportional to 383,869.40, 575,847.30 and 117,627.80

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Solution

The fourth proportional to 383,869.40, 575,847.30 and 117,627.80 is: 176,454.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,869.40 : 575,847.30 = 117,627.80 : x
  2. Step 2: Convert to fraction form
    383,869.40/575,847.30 = 117,627.80/x
  3. Step 3: Cross multiply
    383,869.40x = 575,847.30 × 117,627.80
  4. Step 4: Simplify right side
    383,869.40x = 67,735,651,034.94
  5. Step 5: Solve for x
    x = 67,735,651,034.94/383,869.40
  6. Step 6: Final answer
    x = 176,454.94

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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.