Home / 757,218.15-1,135,837.13-251,779.11

Finding the Fourth Proportional to 757,218.15, 1,135,837.13 and 251,779.11

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Solution

The fourth proportional to 757,218.15, 1,135,837.13 and 251,779.11 is: 377,671.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,218.15 : 1,135,837.13 = 251,779.11 : x
  2. Step 2: Convert to fraction form
    757,218.15/1,135,837.13 = 251,779.11/x
  3. Step 3: Cross multiply
    757,218.15x = 1,135,837.13 × 251,779.11
  4. Step 4: Simplify right side
    757,218.15x = 285,980,061,696.35
  5. Step 5: Solve for x
    x = 285,980,061,696.35/757,218.15
  6. Step 6: Final answer
    x = 377,671.96

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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.