Home / 407,135.18-562,137.74-271,488.94

Finding the Fourth Proportional to 407,135.18, 562,137.74 and 271,488.94

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Solution

The fourth proportional to 407,135.18, 562,137.74 and 271,488.94 is: 374,848.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,135.18 : 562,137.74 = 271,488.94 : x
  2. Step 2: Convert to fraction form
    407,135.18/562,137.74 = 271,488.94/x
  3. Step 3: Cross multiply
    407,135.18x = 562,137.74 × 271,488.94
  4. Step 4: Simplify right side
    407,135.18x = 152,614,177,421.89
  5. Step 5: Solve for x
    x = 152,614,177,421.89/407,135.18
  6. Step 6: Final answer
    x = 374,848.91

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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.