Home / 439,525.20-659,287.80-297,807.60

Finding the Fourth Proportional to 439,525.20, 659,287.80 and 297,807.60

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Solution

The fourth proportional to 439,525.20, 659,287.80 and 297,807.60 is: 446,711.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,525.20 : 659,287.80 = 297,807.60 : x
  2. Step 2: Convert to fraction form
    439,525.20/659,287.80 = 297,807.60/x
  3. Step 3: Cross multiply
    439,525.20x = 659,287.80 × 297,807.60
  4. Step 4: Simplify right side
    439,525.20x = 196,340,917,427.28
  5. Step 5: Solve for x
    x = 196,340,917,427.28/439,525.20
  6. Step 6: Final answer
    x = 446,711.40

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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.