Home / 352,145.40-528,218.10-327,262.20

Finding the Fourth Proportional to 352,145.40, 528,218.10 and 327,262.20

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Solution

The fourth proportional to 352,145.40, 528,218.10 and 327,262.20 is: 490,893.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,145.40 : 528,218.10 = 327,262.20 : x
  2. Step 2: Convert to fraction form
    352,145.40/528,218.10 = 327,262.20/x
  3. Step 3: Cross multiply
    352,145.40x = 528,218.10 × 327,262.20
  4. Step 4: Simplify right side
    352,145.40x = 172,865,817,485.82
  5. Step 5: Solve for x
    x = 172,865,817,485.82/352,145.40
  6. Step 6: Final answer
    x = 490,893.30

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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.