Home / 693,498.08-1,041,076.56-413,147.36

Finding the Fourth Proportional to 693,498.08, 1,041,076.56 and 413,147.36

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Solution

The fourth proportional to 693,498.08, 1,041,076.56 and 413,147.36 is: 620,215.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,498.08 : 1,041,076.56 = 413,147.36 : x
  2. Step 2: Convert to fraction form
    693,498.08/1,041,076.56 = 413,147.36/x
  3. Step 3: Cross multiply
    693,498.08x = 1,041,076.56 × 413,147.36
  4. Step 4: Simplify right side
    693,498.08x = 430,118,032,321.88
  5. Step 5: Solve for x
    x = 430,118,032,321.88/693,498.08
  6. Step 6: Final answer
    x = 620,215.17

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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.