Home / 610,401.91-842,364.73-338,481.27

Finding the Fourth Proportional to 610,401.91, 842,364.73 and 338,481.27

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Solution

The fourth proportional to 610,401.91, 842,364.73 and 338,481.27 is: 467,109.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,401.91 : 842,364.73 = 338,481.27 : x
  2. Step 2: Convert to fraction form
    610,401.91/842,364.73 = 338,481.27/x
  3. Step 3: Cross multiply
    610,401.91x = 842,364.73 × 338,481.27
  4. Step 4: Simplify right side
    610,401.91x = 285,124,683,613.61
  5. Step 5: Solve for x
    x = 285,124,683,613.61/610,401.91
  6. Step 6: Final answer
    x = 467,109.75

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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.