Home / 552,973.19-828,131.18-315,596.21

Finding the Fourth Proportional to 552,973.19, 828,131.18 and 315,596.21

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Solution

The fourth proportional to 552,973.19, 828,131.18 and 315,596.21 is: 472,636.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,973.19 : 828,131.18 = 315,596.21 : x
  2. Step 2: Convert to fraction form
    552,973.19/828,131.18 = 315,596.21/x
  3. Step 3: Cross multiply
    552,973.19x = 828,131.18 × 315,596.21
  4. Step 4: Simplify right side
    552,973.19x = 261,355,056,072.19
  5. Step 5: Solve for x
    x = 261,355,056,072.19/552,973.19
  6. Step 6: Final answer
    x = 472,636.04

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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.