Home / 622,719.27-930,667.07-454,593.65

Finding the Fourth Proportional to 622,719.27, 930,667.07 and 454,593.65

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Solution

The fourth proportional to 622,719.27, 930,667.07 and 454,593.65 is: 679,399.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,719.27 : 930,667.07 = 454,593.65 : x
  2. Step 2: Convert to fraction form
    622,719.27/930,667.07 = 454,593.65/x
  3. Step 3: Cross multiply
    622,719.27x = 930,667.07 × 454,593.65
  4. Step 4: Simplify right side
    622,719.27x = 423,075,340,286.11
  5. Step 5: Solve for x
    x = 423,075,340,286.11/622,719.27
  6. Step 6: Final answer
    x = 679,399.79

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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.