Home / 622,719.26-930,667.04-454,593.63

Finding the Fourth Proportional to 622,719.26, 930,667.04 and 454,593.63

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Solution

The fourth proportional to 622,719.26, 930,667.04 and 454,593.63 is: 679,399.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,719.26 : 930,667.04 = 454,593.63 : x
  2. Step 2: Convert to fraction form
    622,719.26/930,667.04 = 454,593.63/x
  3. Step 3: Cross multiply
    622,719.26x = 930,667.04 × 454,593.63
  4. Step 4: Simplify right side
    622,719.26x = 423,075,309,171.44
  5. Step 5: Solve for x
    x = 423,075,309,171.44/622,719.26
  6. Step 6: Final answer
    x = 679,399.75

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Half scale
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Double scale
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Similar ratio
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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.