Home / 734,422.58-1,101,630.02-399,591.68

Finding the Fourth Proportional to 734,422.58, 1,101,630.02 and 399,591.68

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Solution

The fourth proportional to 734,422.58, 1,101,630.02 and 399,591.68 is: 599,385.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,422.58 : 1,101,630.02 = 399,591.68 : x
  2. Step 2: Convert to fraction form
    734,422.58/1,101,630.02 = 399,591.68/x
  3. Step 3: Cross multiply
    734,422.58x = 1,101,630.02 × 399,591.68
  4. Step 4: Simplify right side
    734,422.58x = 440,202,191,186.35
  5. Step 5: Solve for x
    x = 440,202,191,186.35/734,422.58
  6. Step 6: Final answer
    x = 599,385.43

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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.