Home / 1,338,915.90-1,847,697.93-727,063.68

Finding the Fourth Proportional to 1,338,915.90, 1,847,697.93 and 727,063.68

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Solution

The fourth proportional to 1,338,915.90, 1,847,697.93 and 727,063.68 is: 1,003,344.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,915.90 : 1,847,697.93 = 727,063.68 : x
  2. Step 2: Convert to fraction form
    1,338,915.90/1,847,697.93 = 727,063.68/x
  3. Step 3: Cross multiply
    1,338,915.90x = 1,847,697.93 × 727,063.68
  4. Step 4: Simplify right side
    1,338,915.90x = 1,343,394,056,514.18
  5. Step 5: Solve for x
    x = 1,343,394,056,514.18/1,338,915.90
  6. Step 6: Final answer
    x = 1,003,344.61

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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.