Home / 1,030,334.56-1,420,626-667,626.04

Finding the Fourth Proportional to 1,030,334.56, 1,420,626 and 667,626.04

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Solution

The fourth proportional to 1,030,334.56, 1,420,626 and 667,626.04 is: 920,523.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,334.56 : 1,420,626 = 667,626.04 : x
  2. Step 2: Convert to fraction form
    1,030,334.56/1,420,626 = 667,626.04/x
  3. Step 3: Cross multiply
    1,030,334.56x = 1,420,626 × 667,626.04
  4. Step 4: Simplify right side
    1,030,334.56x = 948,446,910,701.04
  5. Step 5: Solve for x
    x = 948,446,910,701.04/1,030,334.56
  6. Step 6: Final answer
    x = 920,523.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.