Home / 672,054.45-1,008,081.68-298,077.45

Finding the Fourth Proportional to 672,054.45, 1,008,081.68 and 298,077.45

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Solution

The fourth proportional to 672,054.45, 1,008,081.68 and 298,077.45 is: 447,116.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,054.45 : 1,008,081.68 = 298,077.45 : x
  2. Step 2: Convert to fraction form
    672,054.45/1,008,081.68 = 298,077.45/x
  3. Step 3: Cross multiply
    672,054.45x = 1,008,081.68 × 298,077.45
  4. Step 4: Simplify right side
    672,054.45x = 300,486,415,075.73
  5. Step 5: Solve for x
    x = 300,486,415,075.73/672,054.45
  6. Step 6: Final answer
    x = 447,116.18

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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.