Home / 673,790.80-1,010,686.20-336,883.45

Finding the Fourth Proportional to 673,790.80, 1,010,686.20 and 336,883.45

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Solution

The fourth proportional to 673,790.80, 1,010,686.20 and 336,883.45 is: 505,325.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,790.80 : 1,010,686.20 = 336,883.45 : x
  2. Step 2: Convert to fraction form
    673,790.80/1,010,686.20 = 336,883.45/x
  3. Step 3: Cross multiply
    673,790.80x = 1,010,686.20 × 336,883.45
  4. Step 4: Simplify right side
    673,790.80x = 340,483,453,923.39
  5. Step 5: Solve for x
    x = 340,483,453,923.39/673,790.80
  6. Step 6: Final answer
    x = 505,325.18

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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.