Home / 673,945.92-928,464.75-469,626.06

Finding the Fourth Proportional to 673,945.92, 928,464.75 and 469,626.06

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Solution

The fourth proportional to 673,945.92, 928,464.75 and 469,626.06 is: 646,982.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,945.92 : 928,464.75 = 469,626.06 : x
  2. Step 2: Convert to fraction form
    673,945.92/928,464.75 = 469,626.06/x
  3. Step 3: Cross multiply
    673,945.92x = 928,464.75 × 469,626.06
  4. Step 4: Simplify right side
    673,945.92x = 436,031,242,391.39
  5. Step 5: Solve for x
    x = 436,031,242,391.39/673,945.92
  6. Step 6: Final answer
    x = 646,982.54

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Double scale
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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.