Home / 415,849.85-573,829.73-307,012.10

Finding the Fourth Proportional to 415,849.85, 573,829.73 and 307,012.10

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Solution

The fourth proportional to 415,849.85, 573,829.73 and 307,012.10 is: 423,644.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,849.85 : 573,829.73 = 307,012.10 : x
  2. Step 2: Convert to fraction form
    415,849.85/573,829.73 = 307,012.10/x
  3. Step 3: Cross multiply
    415,849.85x = 573,829.73 × 307,012.10
  4. Step 4: Simplify right side
    415,849.85x = 176,172,670,449.73
  5. Step 5: Solve for x
    x = 176,172,670,449.73/415,849.85
  6. Step 6: Final answer
    x = 423,644.91

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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.