Home / 352,595.28-528,911.39-268,487.36

Finding the Fourth Proportional to 352,595.28, 528,911.39 and 268,487.36

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Solution

The fourth proportional to 352,595.28, 528,911.39 and 268,487.36 is: 402,745.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,595.28 : 528,911.39 = 268,487.36 : x
  2. Step 2: Convert to fraction form
    352,595.28/528,911.39 = 268,487.36/x
  3. Step 3: Cross multiply
    352,595.28x = 528,911.39 × 268,487.36
  4. Step 4: Simplify right side
    352,595.28x = 142,006,022,775.03
  5. Step 5: Solve for x
    x = 142,006,022,775.03/352,595.28
  6. Step 6: Final answer
    x = 402,745.10

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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.