Home / 656,132.46-905,458.68-369,744.54

Finding the Fourth Proportional to 656,132.46, 905,458.68 and 369,744.54

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Solution

The fourth proportional to 656,132.46, 905,458.68 and 369,744.54 is: 510,245.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,132.46 : 905,458.68 = 369,744.54 : x
  2. Step 2: Convert to fraction form
    656,132.46/905,458.68 = 369,744.54/x
  3. Step 3: Cross multiply
    656,132.46x = 905,458.68 × 369,744.54
  4. Step 4: Simplify right side
    656,132.46x = 334,788,403,125.61
  5. Step 5: Solve for x
    x = 334,788,403,125.61/656,132.46
  6. Step 6: Final answer
    x = 510,245.15

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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.