Home / 638,899.35-957,534.96-339,523.35

Finding the Fourth Proportional to 638,899.35, 957,534.96 and 339,523.35

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Solution

The fourth proportional to 638,899.35, 957,534.96 and 339,523.35 is: 508,852.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,899.35 : 957,534.96 = 339,523.35 : x
  2. Step 2: Convert to fraction form
    638,899.35/957,534.96 = 339,523.35/x
  3. Step 3: Cross multiply
    638,899.35x = 957,534.96 × 339,523.35
  4. Step 4: Simplify right side
    638,899.35x = 325,105,477,361.32
  5. Step 5: Solve for x
    x = 325,105,477,361.32/638,899.35
  6. Step 6: Final answer
    x = 508,852.42

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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.