Home / 475,477.31-656,163.23-260,621.57

Finding the Fourth Proportional to 475,477.31, 656,163.23 and 260,621.57

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Solution

The fourth proportional to 475,477.31, 656,163.23 and 260,621.57 is: 359,660.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,477.31 : 656,163.23 = 260,621.57 : x
  2. Step 2: Convert to fraction form
    475,477.31/656,163.23 = 260,621.57/x
  3. Step 3: Cross multiply
    475,477.31x = 656,163.23 × 260,621.57
  4. Step 4: Simplify right side
    475,477.31x = 171,010,286,594.95
  5. Step 5: Solve for x
    x = 171,010,286,594.95/475,477.31
  6. Step 6: Final answer
    x = 359,660.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.