Home / 384,941.45-577,375.02-118,630.46

Finding the Fourth Proportional to 384,941.45, 577,375.02 and 118,630.46

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Solution

The fourth proportional to 384,941.45, 577,375.02 and 118,630.46 is: 177,934.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,941.45 : 577,375.02 = 118,630.46 : x
  2. Step 2: Convert to fraction form
    384,941.45/577,375.02 = 118,630.46/x
  3. Step 3: Cross multiply
    384,941.45x = 577,375.02 × 118,630.46
  4. Step 4: Simplify right side
    384,941.45x = 68,494,261,328.23
  5. Step 5: Solve for x
    x = 68,494,261,328.23/384,941.45
  6. Step 6: Final answer
    x = 177,934.23

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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.