Home / 1,293,440.85-1,784,951.58-777,203.34

Finding the Fourth Proportional to 1,293,440.85, 1,784,951.58 and 777,203.34

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Solution

The fourth proportional to 1,293,440.85, 1,784,951.58 and 777,203.34 is: 1,072,542.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,440.85 : 1,784,951.58 = 777,203.34 : x
  2. Step 2: Convert to fraction form
    1,293,440.85/1,784,951.58 = 777,203.34/x
  3. Step 3: Cross multiply
    1,293,440.85x = 1,784,951.58 × 777,203.34
  4. Step 4: Simplify right side
    1,293,440.85x = 1,387,270,329,714.28
  5. Step 5: Solve for x
    x = 1,387,270,329,714.28/1,293,440.85
  6. Step 6: Final answer
    x = 1,072,542.54

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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.