Home / 673,149.12-1,009,461.24-252,195.36

Finding the Fourth Proportional to 673,149.12, 1,009,461.24 and 252,195.36

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Solution

The fourth proportional to 673,149.12, 1,009,461.24 and 252,195.36 is: 378,194.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,149.12 : 1,009,461.24 = 252,195.36 : x
  2. Step 2: Convert to fraction form
    673,149.12/1,009,461.24 = 252,195.36/x
  3. Step 3: Cross multiply
    673,149.12x = 1,009,461.24 × 252,195.36
  4. Step 4: Simplify right side
    673,149.12x = 254,581,440,827.85
  5. Step 5: Solve for x
    x = 254,581,440,827.85/673,149.12
  6. Step 6: Final answer
    x = 378,194.72

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Double scale
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Similar ratio
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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.