Home / 447,664.29-618,004.94-345,460.11

Finding the Fourth Proportional to 447,664.29, 618,004.94 and 345,460.11

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Solution

The fourth proportional to 447,664.29, 618,004.94 and 345,460.11 is: 476,911.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,664.29 : 618,004.94 = 345,460.11 : x
  2. Step 2: Convert to fraction form
    447,664.29/618,004.94 = 345,460.11/x
  3. Step 3: Cross multiply
    447,664.29x = 618,004.94 × 345,460.11
  4. Step 4: Simplify right side
    447,664.29x = 213,496,052,825.64
  5. Step 5: Solve for x
    x = 213,496,052,825.64/447,664.29
  6. Step 6: Final answer
    x = 476,911.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.