Home / 552,513.72-828,688.56-153,112.85

Finding the Fourth Proportional to 552,513.72, 828,688.56 and 153,112.85

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Solution

The fourth proportional to 552,513.72, 828,688.56 and 153,112.85 is: 229,646.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,513.72 : 828,688.56 = 153,112.85 : x
  2. Step 2: Convert to fraction form
    552,513.72/828,688.56 = 153,112.85/x
  3. Step 3: Cross multiply
    552,513.72x = 828,688.56 × 153,112.85
  4. Step 4: Simplify right side
    552,513.72x = 126,882,863,040.55
  5. Step 5: Solve for x
    x = 126,882,863,040.55/552,513.72
  6. Step 6: Final answer
    x = 229,646.54

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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.