Home / 622,721.73-930,670.64-454,596.11

Finding the Fourth Proportional to 622,721.73, 930,670.64 and 454,596.11

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Solution

The fourth proportional to 622,721.73, 930,670.64 and 454,596.11 is: 679,403.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,721.73 : 930,670.64 = 454,596.11 : x
  2. Step 2: Convert to fraction form
    622,721.73/930,670.64 = 454,596.11/x
  3. Step 3: Cross multiply
    622,721.73x = 930,670.64 × 454,596.11
  4. Step 4: Simplify right side
    622,721.73x = 423,079,245,708.88
  5. Step 5: Solve for x
    x = 423,079,245,708.88/622,721.73
  6. Step 6: Final answer
    x = 679,403.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.