Home / 949,490.84-1,424,361.33-309,569.86

Finding the Fourth Proportional to 949,490.84, 1,424,361.33 and 309,569.86

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Solution

The fourth proportional to 949,490.84, 1,424,361.33 and 309,569.86 is: 464,395.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,490.84 : 1,424,361.33 = 309,569.86 : x
  2. Step 2: Convert to fraction form
    949,490.84/1,424,361.33 = 309,569.86/x
  3. Step 3: Cross multiply
    949,490.84x = 1,424,361.33 × 309,569.86
  4. Step 4: Simplify right side
    949,490.84x = 440,939,336,162.61
  5. Step 5: Solve for x
    x = 440,939,336,162.61/949,490.84
  6. Step 6: Final answer
    x = 464,395.56

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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.