Home / 619,838.58-929,756.34-349,844.31

Finding the Fourth Proportional to 619,838.58, 929,756.34 and 349,844.31

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Solution

The fourth proportional to 619,838.58, 929,756.34 and 349,844.31 is: 524,765.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,838.58 : 929,756.34 = 349,844.31 : x
  2. Step 2: Convert to fraction form
    619,838.58/929,756.34 = 349,844.31/x
  3. Step 3: Cross multiply
    619,838.58x = 929,756.34 × 349,844.31
  4. Step 4: Simplify right side
    619,838.58x = 325,269,965,235.43
  5. Step 5: Solve for x
    x = 325,269,965,235.43/619,838.58
  6. Step 6: Final answer
    x = 524,765.60

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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.