Home / 439,926-606,956.64-246,305.12

Finding the Fourth Proportional to 439,926, 606,956.64 and 246,305.12

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Solution

The fourth proportional to 439,926, 606,956.64 and 246,305.12 is: 339,821.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,926 : 606,956.64 = 246,305.12 : x
  2. Step 2: Convert to fraction form
    439,926/606,956.64 = 246,305.12/x
  3. Step 3: Cross multiply
    439,926x = 606,956.64 × 246,305.12
  4. Step 4: Simplify right side
    439,926x = 149,496,528,050.00
  5. Step 5: Solve for x
    x = 149,496,528,050.00/439,926
  6. Step 6: Final answer
    x = 339,821.99

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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.