Home / 682,590.93-942,162.82-396,203.28

Finding the Fourth Proportional to 682,590.93, 942,162.82 and 396,203.28

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Solution

The fourth proportional to 682,590.93, 942,162.82 and 396,203.28 is: 546,869.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,590.93 : 942,162.82 = 396,203.28 : x
  2. Step 2: Convert to fraction form
    682,590.93/942,162.82 = 396,203.28/x
  3. Step 3: Cross multiply
    682,590.93x = 942,162.82 × 396,203.28
  4. Step 4: Simplify right side
    682,590.93x = 373,288,002,582.74
  5. Step 5: Solve for x
    x = 373,288,002,582.74/682,590.93
  6. Step 6: Final answer
    x = 546,869.27

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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.