Home / 539,119.24-743,511.90-431,650.06

Finding the Fourth Proportional to 539,119.24, 743,511.90 and 431,650.06

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Solution

The fourth proportional to 539,119.24, 743,511.90 and 431,650.06 is: 595,298.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,119.24 : 743,511.90 = 431,650.06 : x
  2. Step 2: Convert to fraction form
    539,119.24/743,511.90 = 431,650.06/x
  3. Step 3: Cross multiply
    539,119.24x = 743,511.90 × 431,650.06
  4. Step 4: Simplify right side
    539,119.24x = 320,936,956,245.71
  5. Step 5: Solve for x
    x = 320,936,956,245.71/539,119.24
  6. Step 6: Final answer
    x = 595,298.65

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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.