Home / 678,160.06-936,637.60-446,622.03

Finding the Fourth Proportional to 678,160.06, 936,637.60 and 446,622.03

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Solution

The fourth proportional to 678,160.06, 936,637.60 and 446,622.03 is: 616,849.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,160.06 : 936,637.60 = 446,622.03 : x
  2. Step 2: Convert to fraction form
    678,160.06/936,637.60 = 446,622.03/x
  3. Step 3: Cross multiply
    678,160.06x = 936,637.60 × 446,622.03
  4. Step 4: Simplify right side
    678,160.06x = 418,322,986,286.33
  5. Step 5: Solve for x
    x = 418,322,986,286.33/678,160.06
  6. Step 6: Final answer
    x = 616,849.93

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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.