Home / 384,928.45-577,355.52-118,617.46

Finding the Fourth Proportional to 384,928.45, 577,355.52 and 118,617.46

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Solution

The fourth proportional to 384,928.45, 577,355.52 and 118,617.46 is: 177,914.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,928.45 : 577,355.52 = 118,617.46 : x
  2. Step 2: Convert to fraction form
    384,928.45/577,355.52 = 118,617.46/x
  3. Step 3: Cross multiply
    384,928.45x = 577,355.52 × 118,617.46
  4. Step 4: Simplify right side
    384,928.45x = 68,484,445,299.38
  5. Step 5: Solve for x
    x = 68,484,445,299.38/384,928.45
  6. Step 6: Final answer
    x = 177,914.74

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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.