Home / 969,019.88-1,337,247.43-539,401.49

Finding the Fourth Proportional to 969,019.88, 1,337,247.43 and 539,401.49

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Solution

The fourth proportional to 969,019.88, 1,337,247.43 and 539,401.49 is: 744,374.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,019.88 : 1,337,247.43 = 539,401.49 : x
  2. Step 2: Convert to fraction form
    969,019.88/1,337,247.43 = 539,401.49/x
  3. Step 3: Cross multiply
    969,019.88x = 1,337,247.43 × 539,401.49
  4. Step 4: Simplify right side
    969,019.88x = 721,313,258,235.29
  5. Step 5: Solve for x
    x = 721,313,258,235.29/969,019.88
  6. Step 6: Final answer
    x = 744,374.06

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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.