Home / 622,742.43-930,701.57-454,616.79

Finding the Fourth Proportional to 622,742.43, 930,701.57 and 454,616.79

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Solution

The fourth proportional to 622,742.43, 930,701.57 and 454,616.79 is: 679,434.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,742.43 : 930,701.57 = 454,616.79 : x
  2. Step 2: Convert to fraction form
    622,742.43/930,701.57 = 454,616.79/x
  3. Step 3: Cross multiply
    622,742.43x = 930,701.57 × 454,616.79
  4. Step 4: Simplify right side
    622,742.43x = 423,112,557,928.28
  5. Step 5: Solve for x
    x = 423,112,557,928.28/622,742.43
  6. Step 6: Final answer
    x = 679,434.29

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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.