Home / 415,664.20-623,496.30-297,080.20

Finding the Fourth Proportional to 415,664.20, 623,496.30 and 297,080.20

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Solution

The fourth proportional to 415,664.20, 623,496.30 and 297,080.20 is: 445,620.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,664.20 : 623,496.30 = 297,080.20 : x
  2. Step 2: Convert to fraction form
    415,664.20/623,496.30 = 297,080.20/x
  3. Step 3: Cross multiply
    415,664.20x = 623,496.30 × 297,080.20
  4. Step 4: Simplify right side
    415,664.20x = 185,228,405,503.26
  5. Step 5: Solve for x
    x = 185,228,405,503.26/415,664.20
  6. Step 6: Final answer
    x = 445,620.30

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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.