Home / 352,511.70-528,126.03-314,720.34

Finding the Fourth Proportional to 352,511.70, 528,126.03 and 314,720.34

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Solution

The fourth proportional to 352,511.70, 528,126.03 and 314,720.34 is: 471,507.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,511.70 : 528,126.03 = 314,720.34 : x
  2. Step 2: Convert to fraction form
    352,511.70/528,126.03 = 314,720.34/x
  3. Step 3: Cross multiply
    352,511.70x = 528,126.03 × 314,720.34
  4. Step 4: Simplify right side
    352,511.70x = 166,212,003,724.45
  5. Step 5: Solve for x
    x = 166,212,003,724.45/352,511.70
  6. Step 6: Final answer
    x = 471,507.76

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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.