Home / 956,653.88-1,435,046.42-316,956.38

Finding the Fourth Proportional to 956,653.88, 1,435,046.42 and 316,956.38

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Solution

The fourth proportional to 956,653.88, 1,435,046.42 and 316,956.38 is: 475,456.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    956,653.88 : 1,435,046.42 = 316,956.38 : x
  2. Step 2: Convert to fraction form
    956,653.88/1,435,046.42 = 316,956.38/x
  3. Step 3: Cross multiply
    956,653.88x = 1,435,046.42 × 316,956.38
  4. Step 4: Simplify right side
    956,653.88x = 454,847,112,032.32
  5. Step 5: Solve for x
    x = 454,847,112,032.32/956,653.88
  6. Step 6: Final answer
    x = 475,456.30

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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.