Home / 673,130.50-1,009,399.68-252,111.12

Finding the Fourth Proportional to 673,130.50, 1,009,399.68 and 252,111.12

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Solution

The fourth proportional to 673,130.50, 1,009,399.68 and 252,111.12 is: 378,055.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,130.50 : 1,009,399.68 = 252,111.12 : x
  2. Step 2: Convert to fraction form
    673,130.50/1,009,399.68 = 252,111.12/x
  3. Step 3: Cross multiply
    673,130.50x = 1,009,399.68 × 252,111.12
  4. Step 4: Simplify right side
    673,130.50x = 254,480,883,852.44
  5. Step 5: Solve for x
    x = 254,480,883,852.44/673,130.50
  6. Step 6: Final answer
    x = 378,055.79

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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.