Home / 1,354,915.72-2,032,374.39-344,113.48

Finding the Fourth Proportional to 1,354,915.72, 2,032,374.39 and 344,113.48

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Solution

The fourth proportional to 1,354,915.72, 2,032,374.39 and 344,113.48 is: 516,170.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,354,915.72 : 2,032,374.39 = 344,113.48 : x
  2. Step 2: Convert to fraction form
    1,354,915.72/2,032,374.39 = 344,113.48/x
  3. Step 3: Cross multiply
    1,354,915.72x = 2,032,374.39 × 344,113.48
  4. Step 4: Simplify right side
    1,354,915.72x = 699,367,412,123.34
  5. Step 5: Solve for x
    x = 699,367,412,123.34/1,354,915.72
  6. Step 6: Final answer
    x = 516,170.42

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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.