Home / 874,619.85-1,308,967.19-537,874.09

Finding the Fourth Proportional to 874,619.85, 1,308,967.19 and 537,874.09

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Solution

The fourth proportional to 874,619.85, 1,308,967.19 and 537,874.09 is: 804,989.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,619.85 : 1,308,967.19 = 537,874.09 : x
  2. Step 2: Convert to fraction form
    874,619.85/1,308,967.19 = 537,874.09/x
  3. Step 3: Cross multiply
    874,619.85x = 1,308,967.19 × 537,874.09
  4. Step 4: Simplify right side
    874,619.85x = 704,059,536,161.11
  5. Step 5: Solve for x
    x = 704,059,536,161.11/874,619.85
  6. Step 6: Final answer
    x = 804,989.20

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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.