Home / 673,111.36-928,911.20-367,192.96

Finding the Fourth Proportional to 673,111.36, 928,911.20 and 367,192.96

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Solution

The fourth proportional to 673,111.36, 928,911.20 and 367,192.96 is: 506,735.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,111.36 : 928,911.20 = 367,192.96 : x
  2. Step 2: Convert to fraction form
    673,111.36/928,911.20 = 367,192.96/x
  3. Step 3: Cross multiply
    673,111.36x = 928,911.20 × 367,192.96
  4. Step 4: Simplify right side
    673,111.36x = 341,089,653,105.15
  5. Step 5: Solve for x
    x = 341,089,653,105.15/673,111.36
  6. Step 6: Final answer
    x = 506,735.84

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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.