Home / 439,222.04-657,577.88-411,321.56

Finding the Fourth Proportional to 439,222.04, 657,577.88 and 411,321.56

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Solution

The fourth proportional to 439,222.04, 657,577.88 and 411,321.56 is: 615,806.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,222.04 : 657,577.88 = 411,321.56 : x
  2. Step 2: Convert to fraction form
    439,222.04/657,577.88 = 411,321.56/x
  3. Step 3: Cross multiply
    439,222.04x = 657,577.88 × 411,321.56
  4. Step 4: Simplify right side
    439,222.04x = 270,475,959,423.09
  5. Step 5: Solve for x
    x = 270,475,959,423.09/439,222.04
  6. Step 6: Final answer
    x = 615,806.89

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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.