Home / 622,719.88-930,667.97-454,594.26

Finding the Fourth Proportional to 622,719.88, 930,667.97 and 454,594.26

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Solution

The fourth proportional to 622,719.88, 930,667.97 and 454,594.26 is: 679,400.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,719.88 : 930,667.97 = 454,594.26 : x
  2. Step 2: Convert to fraction form
    622,719.88/930,667.97 = 454,594.26/x
  3. Step 3: Cross multiply
    622,719.88x = 930,667.97 × 454,594.26
  4. Step 4: Simplify right side
    622,719.88x = 423,076,312,474.51
  5. Step 5: Solve for x
    x = 423,076,312,474.51/622,719.88
  6. Step 6: Final answer
    x = 679,400.68

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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.