Home / 1,042,311.90-1,563,467.85-368,387.85

Finding the Fourth Proportional to 1,042,311.90, 1,563,467.85 and 368,387.85

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Solution

The fourth proportional to 1,042,311.90, 1,563,467.85 and 368,387.85 is: 552,581.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,311.90 : 1,563,467.85 = 368,387.85 : x
  2. Step 2: Convert to fraction form
    1,042,311.90/1,563,467.85 = 368,387.85/x
  3. Step 3: Cross multiply
    1,042,311.90x = 1,563,467.85 × 368,387.85
  4. Step 4: Simplify right side
    1,042,311.90x = 575,962,559,805.62
  5. Step 5: Solve for x
    x = 575,962,559,805.62/1,042,311.90
  6. Step 6: Final answer
    x = 552,581.78

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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.