Home / 384,907.20-577,361.16-104,417.52

Finding the Fourth Proportional to 384,907.20, 577,361.16 and 104,417.52

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Solution

The fourth proportional to 384,907.20, 577,361.16 and 104,417.52 is: 156,626.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,907.20 : 577,361.16 = 104,417.52 : x
  2. Step 2: Convert to fraction form
    384,907.20/577,361.16 = 104,417.52/x
  3. Step 3: Cross multiply
    384,907.20x = 577,361.16 × 104,417.52
  4. Step 4: Simplify right side
    384,907.20x = 60,286,620,471.52
  5. Step 5: Solve for x
    x = 60,286,620,471.52/384,907.20
  6. Step 6: Final answer
    x = 156,626.38

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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.