Home / 404,156.34-606,438.90-269,312.22

Finding the Fourth Proportional to 404,156.34, 606,438.90 and 269,312.22

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Solution

The fourth proportional to 404,156.34, 606,438.90 and 269,312.22 is: 404,104.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,156.34 : 606,438.90 = 269,312.22 : x
  2. Step 2: Convert to fraction form
    404,156.34/606,438.90 = 269,312.22/x
  3. Step 3: Cross multiply
    404,156.34x = 606,438.90 × 269,312.22
  4. Step 4: Simplify right side
    404,156.34x = 163,321,406,453.36
  5. Step 5: Solve for x
    x = 163,321,406,453.36/404,156.34
  6. Step 6: Final answer
    x = 404,104.53

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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.