Home / 362,421.40-543,632.10-236,450.20

Finding the Fourth Proportional to 362,421.40, 543,632.10 and 236,450.20

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Solution

The fourth proportional to 362,421.40, 543,632.10 and 236,450.20 is: 354,675.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,421.40 : 543,632.10 = 236,450.20 : x
  2. Step 2: Convert to fraction form
    362,421.40/543,632.10 = 236,450.20/x
  3. Step 3: Cross multiply
    362,421.40x = 543,632.10 × 236,450.20
  4. Step 4: Simplify right side
    362,421.40x = 128,541,918,771.42
  5. Step 5: Solve for x
    x = 128,541,918,771.42/362,421.40
  6. Step 6: Final answer
    x = 354,675.30

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Similar ratio
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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.