Home / 673,900.52-929,987.22-367,979.03

Finding the Fourth Proportional to 673,900.52, 929,987.22 and 367,979.03

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Solution

The fourth proportional to 673,900.52, 929,987.22 and 367,979.03 is: 507,813.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,900.52 : 929,987.22 = 367,979.03 : x
  2. Step 2: Convert to fraction form
    673,900.52/929,987.22 = 367,979.03/x
  3. Step 3: Cross multiply
    673,900.52x = 929,987.22 × 367,979.03
  4. Step 4: Simplify right side
    673,900.52x = 342,215,795,128.00
  5. Step 5: Solve for x
    x = 342,215,795,128.00/673,900.52
  6. Step 6: Final answer
    x = 507,813.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.