Home / 439,759.28-606,868.98-238,555.28

Finding the Fourth Proportional to 439,759.28, 606,868.98 and 238,555.28

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Solution

The fourth proportional to 439,759.28, 606,868.98 and 238,555.28 is: 329,206.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,759.28 : 606,868.98 = 238,555.28 : x
  2. Step 2: Convert to fraction form
    439,759.28/606,868.98 = 238,555.28/x
  3. Step 3: Cross multiply
    439,759.28x = 606,868.98 × 238,555.28
  4. Step 4: Simplify right side
    439,759.28x = 144,771,800,069.81
  5. Step 5: Solve for x
    x = 144,771,800,069.81/439,759.28
  6. Step 6: Final answer
    x = 329,206.92

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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.