Home / 985,007.60-1,359,521.82-622,200.68

Finding the Fourth Proportional to 985,007.60, 1,359,521.82 and 622,200.68

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Solution

The fourth proportional to 985,007.60, 1,359,521.82 and 622,200.68 is: 858,770.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,007.60 : 1,359,521.82 = 622,200.68 : x
  2. Step 2: Convert to fraction form
    985,007.60/1,359,521.82 = 622,200.68/x
  3. Step 3: Cross multiply
    985,007.60x = 1,359,521.82 × 622,200.68
  4. Step 4: Simplify right side
    985,007.60x = 845,895,400,878.84
  5. Step 5: Solve for x
    x = 845,895,400,878.84/985,007.60
  6. Step 6: Final answer
    x = 858,770.43

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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.