Home / 905,097.11-1,358,218.38-505,999.68

Finding the Fourth Proportional to 905,097.11, 1,358,218.38 and 505,999.68

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Solution

The fourth proportional to 905,097.11, 1,358,218.38 and 505,999.68 is: 759,319.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,097.11 : 1,358,218.38 = 505,999.68 : x
  2. Step 2: Convert to fraction form
    905,097.11/1,358,218.38 = 505,999.68/x
  3. Step 3: Cross multiply
    905,097.11x = 1,358,218.38 × 505,999.68
  4. Step 4: Simplify right side
    905,097.11x = 687,258,059,608.05
  5. Step 5: Solve for x
    x = 687,258,059,608.05/905,097.11
  6. Step 6: Final answer
    x = 759,319.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.