Home / 1,678,522.89-2,316,361.92-914,576.46

Finding the Fourth Proportional to 1,678,522.89, 2,316,361.92 and 914,576.46

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Solution

The fourth proportional to 1,678,522.89, 2,316,361.92 and 914,576.46 is: 1,262,115.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,522.89 : 2,316,361.92 = 914,576.46 : x
  2. Step 2: Convert to fraction form
    1,678,522.89/2,316,361.92 = 914,576.46/x
  3. Step 3: Cross multiply
    1,678,522.89x = 2,316,361.92 × 914,576.46
  4. Step 4: Simplify right side
    1,678,522.89x = 2,118,490,084,872.40
  5. Step 5: Solve for x
    x = 2,118,490,084,872.40/1,678,522.89
  6. Step 6: Final answer
    x = 1,262,115.70

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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.