Home / 622,868.30-930,889.25-454,742.67

Finding the Fourth Proportional to 622,868.30, 930,889.25 and 454,742.67

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Solution

The fourth proportional to 622,868.30, 930,889.25 and 454,742.67 is: 679,622.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,868.30 : 930,889.25 = 454,742.67 : x
  2. Step 2: Convert to fraction form
    622,868.30/930,889.25 = 454,742.67/x
  3. Step 3: Cross multiply
    622,868.30x = 930,889.25 × 454,742.67
  4. Step 4: Simplify right side
    622,868.30x = 423,315,063,019.30
  5. Step 5: Solve for x
    x = 423,315,063,019.30/622,868.30
  6. Step 6: Final answer
    x = 679,622.10

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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.