Home / 758,129.77-1,136,814.33-252,513.01

Finding the Fourth Proportional to 758,129.77, 1,136,814.33 and 252,513.01

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Solution

The fourth proportional to 758,129.77, 1,136,814.33 and 252,513.01 is: 378,642.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,129.77 : 1,136,814.33 = 252,513.01 : x
  2. Step 2: Convert to fraction form
    758,129.77/1,136,814.33 = 252,513.01/x
  3. Step 3: Cross multiply
    758,129.77x = 1,136,814.33 × 252,513.01
  4. Step 4: Simplify right side
    758,129.77x = 287,060,408,279.43
  5. Step 5: Solve for x
    x = 287,060,408,279.43/758,129.77
  6. Step 6: Final answer
    x = 378,642.84

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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.