Home / 393,116.20-589,674.30-97,628.20

Finding the Fourth Proportional to 393,116.20, 589,674.30 and 97,628.20

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Solution

The fourth proportional to 393,116.20, 589,674.30 and 97,628.20 is: 146,442.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,116.20 : 589,674.30 = 97,628.20 : x
  2. Step 2: Convert to fraction form
    393,116.20/589,674.30 = 97,628.20/x
  3. Step 3: Cross multiply
    393,116.20x = 589,674.30 × 97,628.20
  4. Step 4: Simplify right side
    393,116.20x = 57,568,840,495.26
  5. Step 5: Solve for x
    x = 57,568,840,495.26/393,116.20
  6. Step 6: Final answer
    x = 146,442.30

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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.