Home / 448,485.03-671,966.28-270,618.30

Finding the Fourth Proportional to 448,485.03, 671,966.28 and 270,618.30

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Solution

The fourth proportional to 448,485.03, 671,966.28 and 270,618.30 is: 405,468.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,485.03 : 671,966.28 = 270,618.30 : x
  2. Step 2: Convert to fraction form
    448,485.03/671,966.28 = 270,618.30/x
  3. Step 3: Cross multiply
    448,485.03x = 671,966.28 × 270,618.30
  4. Step 4: Simplify right side
    448,485.03x = 181,846,372,350.92
  5. Step 5: Solve for x
    x = 181,846,372,350.92/448,485.03
  6. Step 6: Final answer
    x = 405,468.10

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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.