Home / 682,345.42-1,021,388.22-502,633.42

Finding the Fourth Proportional to 682,345.42, 1,021,388.22 and 502,633.42

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Solution

The fourth proportional to 682,345.42, 1,021,388.22 and 502,633.42 is: 752,381.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,345.42 : 1,021,388.22 = 502,633.42 : x
  2. Step 2: Convert to fraction form
    682,345.42/1,021,388.22 = 502,633.42/x
  3. Step 3: Cross multiply
    682,345.42x = 1,021,388.22 × 502,633.42
  4. Step 4: Simplify right side
    682,345.42x = 513,383,849,059.37
  5. Step 5: Solve for x
    x = 513,383,849,059.37/682,345.42
  6. Step 6: Final answer
    x = 752,381.18

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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.