Home / 672,917.36-928,626.80-366,994.24

Finding the Fourth Proportional to 672,917.36, 928,626.80 and 366,994.24

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Solution

The fourth proportional to 672,917.36, 928,626.80 and 366,994.24 is: 506,452.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,917.36 : 928,626.80 = 366,994.24 : x
  2. Step 2: Convert to fraction form
    672,917.36/928,626.80 = 366,994.24/x
  3. Step 3: Cross multiply
    672,917.36x = 928,626.80 × 366,994.24
  4. Step 4: Simplify right side
    672,917.36x = 340,800,686,709.63
  5. Step 5: Solve for x
    x = 340,800,686,709.63/672,917.36
  6. Step 6: Final answer
    x = 506,452.51

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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.