Home / 384,932.46-577,361.52-118,621.47

Finding the Fourth Proportional to 384,932.46, 577,361.52 and 118,621.47

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Solution

The fourth proportional to 384,932.46, 577,361.52 and 118,621.47 is: 177,920.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,932.46 : 577,361.52 = 118,621.47 : x
  2. Step 2: Convert to fraction form
    384,932.46/577,361.52 = 118,621.47/x
  3. Step 3: Cross multiply
    384,932.46x = 577,361.52 × 118,621.47
  4. Step 4: Simplify right side
    384,932.46x = 68,487,472,223.83
  5. Step 5: Solve for x
    x = 68,487,472,223.83/384,932.46
  6. Step 6: Final answer
    x = 177,920.75

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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.