Home / 919,410.88-1,378,846.88-358,311.36

Finding the Fourth Proportional to 919,410.88, 1,378,846.88 and 358,311.36

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Solution

The fourth proportional to 919,410.88, 1,378,846.88 and 358,311.36 is: 537,362.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,410.88 : 1,378,846.88 = 358,311.36 : x
  2. Step 2: Convert to fraction form
    919,410.88/1,378,846.88 = 358,311.36/x
  3. Step 3: Cross multiply
    919,410.88x = 1,378,846.88 × 358,311.36
  4. Step 4: Simplify right side
    919,410.88x = 494,056,500,804.56
  5. Step 5: Solve for x
    x = 494,056,500,804.56/919,410.88
  6. Step 6: Final answer
    x = 537,362.03

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1.5x scale

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.