Home / 673,155.72-1,009,834.06-199,785.16

Finding the Fourth Proportional to 673,155.72, 1,009,834.06 and 199,785.16

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Solution

The fourth proportional to 673,155.72, 1,009,834.06 and 199,785.16 is: 299,707.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,155.72 : 1,009,834.06 = 199,785.16 : x
  2. Step 2: Convert to fraction form
    673,155.72/1,009,834.06 = 199,785.16/x
  3. Step 3: Cross multiply
    673,155.72x = 1,009,834.06 × 199,785.16
  4. Step 4: Simplify right side
    673,155.72x = 201,749,859,250.55
  5. Step 5: Solve for x
    x = 201,749,859,250.55/673,155.72
  6. Step 6: Final answer
    x = 299,707.56

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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.