Home / 384,799.55-577,292.75-118,560.05

Finding the Fourth Proportional to 384,799.55, 577,292.75 and 118,560.05

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Solution

The fourth proportional to 384,799.55, 577,292.75 and 118,560.05 is: 177,868.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,799.55 : 577,292.75 = 118,560.05 : x
  2. Step 2: Convert to fraction form
    384,799.55/577,292.75 = 118,560.05/x
  3. Step 3: Cross multiply
    384,799.55x = 577,292.75 × 118,560.05
  4. Step 4: Simplify right side
    384,799.55x = 68,443,858,155.07
  5. Step 5: Solve for x
    x = 68,443,858,155.07/384,799.55
  6. Step 6: Final answer
    x = 177,868.86

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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.