Home / 1,205,589.20-1,808,383.80-364,031.60

Finding the Fourth Proportional to 1,205,589.20, 1,808,383.80 and 364,031.60

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Solution

The fourth proportional to 1,205,589.20, 1,808,383.80 and 364,031.60 is: 546,047.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,589.20 : 1,808,383.80 = 364,031.60 : x
  2. Step 2: Convert to fraction form
    1,205,589.20/1,808,383.80 = 364,031.60/x
  3. Step 3: Cross multiply
    1,205,589.20x = 1,808,383.80 × 364,031.60
  4. Step 4: Simplify right side
    1,205,589.20x = 658,308,848,128.08
  5. Step 5: Solve for x
    x = 658,308,848,128.08/1,205,589.20
  6. Step 6: Final answer
    x = 546,047.40

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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.