Home / 5,279,323.20-7,911,111.60-4,476,256.80

Finding the Fourth Proportional to 5,279,323.20, 7,911,111.60 and 4,476,256.80

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Solution

The fourth proportional to 5,279,323.20, 7,911,111.60 and 4,476,256.80 is: 6,707,709.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,279,323.20 : 7,911,111.60 = 4,476,256.80 : x
  2. Step 2: Convert to fraction form
    5,279,323.20/7,911,111.60 = 4,476,256.80/x
  3. Step 3: Cross multiply
    5,279,323.20x = 7,911,111.60 × 4,476,256.80
  4. Step 4: Simplify right side
    5,279,323.20x = 35,412,167,095,058.88
  5. Step 5: Solve for x
    x = 35,412,167,095,058.88/5,279,323.20
  6. Step 6: Final answer
    x = 6,707,709.64

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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.