Home / 1,158,576.45-1,737,627.10-438,669.78

Finding the Fourth Proportional to 1,158,576.45, 1,737,627.10 and 438,669.78

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Solution

The fourth proportional to 1,158,576.45, 1,737,627.10 and 438,669.78 is: 657,914.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,576.45 : 1,737,627.10 = 438,669.78 : x
  2. Step 2: Convert to fraction form
    1,158,576.45/1,737,627.10 = 438,669.78/x
  3. Step 3: Cross multiply
    1,158,576.45x = 1,737,627.10 × 438,669.78
  4. Step 4: Simplify right side
    1,158,576.45x = 762,244,497,679.04
  5. Step 5: Solve for x
    x = 762,244,497,679.04/1,158,576.45
  6. Step 6: Final answer
    x = 657,914.72

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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.