Home / 656,097.96-905,418.36-369,622.56

Finding the Fourth Proportional to 656,097.96, 905,418.36 and 369,622.56

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Solution

The fourth proportional to 656,097.96, 905,418.36 and 369,622.56 is: 510,080.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,097.96 : 905,418.36 = 369,622.56 : x
  2. Step 2: Convert to fraction form
    656,097.96/905,418.36 = 369,622.56/x
  3. Step 3: Cross multiply
    656,097.96x = 905,418.36 × 369,622.56
  4. Step 4: Simplify right side
    656,097.96x = 334,663,052,094.20
  5. Step 5: Solve for x
    x = 334,663,052,094.20/656,097.96
  6. Step 6: Final answer
    x = 510,080.92

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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.