Home / 528,179.03-792,260.36-212,628.23

Finding the Fourth Proportional to 528,179.03, 792,260.36 and 212,628.23

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Solution

The fourth proportional to 528,179.03, 792,260.36 and 212,628.23 is: 318,939.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,179.03 : 792,260.36 = 212,628.23 : x
  2. Step 2: Convert to fraction form
    528,179.03/792,260.36 = 212,628.23/x
  3. Step 3: Cross multiply
    528,179.03x = 792,260.36 × 212,628.23
  4. Step 4: Simplify right side
    528,179.03x = 168,456,916,982.82
  5. Step 5: Solve for x
    x = 168,456,916,982.82/528,179.03
  6. Step 6: Final answer
    x = 318,939.05

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1.5x scale

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.