Home / 436,941.09-655,482.11-129,224.25

Finding the Fourth Proportional to 436,941.09, 655,482.11 and 129,224.25

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Solution

The fourth proportional to 436,941.09, 655,482.11 and 129,224.25 is: 193,857.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,941.09 : 655,482.11 = 129,224.25 : x
  2. Step 2: Convert to fraction form
    436,941.09/655,482.11 = 129,224.25/x
  3. Step 3: Cross multiply
    436,941.09x = 655,482.11 × 129,224.25
  4. Step 4: Simplify right side
    436,941.09x = 84,704,184,053.17
  5. Step 5: Solve for x
    x = 84,704,184,053.17/436,941.09
  6. Step 6: Final answer
    x = 193,857.22

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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.