Home / 682,145.70-1,023,218.55-232,717.20

Finding the Fourth Proportional to 682,145.70, 1,023,218.55 and 232,717.20

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Solution

The fourth proportional to 682,145.70, 1,023,218.55 and 232,717.20 is: 349,075.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,145.70 : 1,023,218.55 = 232,717.20 : x
  2. Step 2: Convert to fraction form
    682,145.70/1,023,218.55 = 232,717.20/x
  3. Step 3: Cross multiply
    682,145.70x = 1,023,218.55 × 232,717.20
  4. Step 4: Simplify right side
    682,145.70x = 238,120,555,944.06
  5. Step 5: Solve for x
    x = 238,120,555,944.06/682,145.70
  6. Step 6: Final answer
    x = 349,075.80

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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.