Home / 1,101,845.55-1,520,546.88-618,410.70

Finding the Fourth Proportional to 1,101,845.55, 1,520,546.88 and 618,410.70

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Solution

The fourth proportional to 1,101,845.55, 1,520,546.88 and 618,410.70 is: 853,406.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,845.55 : 1,520,546.88 = 618,410.70 : x
  2. Step 2: Convert to fraction form
    1,101,845.55/1,520,546.88 = 618,410.70/x
  3. Step 3: Cross multiply
    1,101,845.55x = 1,520,546.88 × 618,410.70
  4. Step 4: Simplify right side
    1,101,845.55x = 940,322,460,443.62
  5. Step 5: Solve for x
    x = 940,322,460,443.62/1,101,845.55
  6. Step 6: Final answer
    x = 853,406.78

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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.