Home / 349,867.60-524,801.40-320,837.20

Finding the Fourth Proportional to 349,867.60, 524,801.40 and 320,837.20

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Solution

The fourth proportional to 349,867.60, 524,801.40 and 320,837.20 is: 481,255.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,867.60 : 524,801.40 = 320,837.20 : x
  2. Step 2: Convert to fraction form
    349,867.60/524,801.40 = 320,837.20/x
  3. Step 3: Cross multiply
    349,867.60x = 524,801.40 × 320,837.20
  4. Step 4: Simplify right side
    349,867.60x = 168,375,811,732.08
  5. Step 5: Solve for x
    x = 168,375,811,732.08/349,867.60
  6. Step 6: Final answer
    x = 481,255.80

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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.