Home / 1,361,124-1,878,351.12-757,654.56

Finding the Fourth Proportional to 1,361,124, 1,878,351.12 and 757,654.56

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Solution

The fourth proportional to 1,361,124, 1,878,351.12 and 757,654.56 is: 1,045,563.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,124 : 1,878,351.12 = 757,654.56 : x
  2. Step 2: Convert to fraction form
    1,361,124/1,878,351.12 = 757,654.56/x
  3. Step 3: Cross multiply
    1,361,124x = 1,878,351.12 × 757,654.56
  4. Step 4: Simplify right side
    1,361,124x = 1,423,141,291,349.11
  5. Step 5: Solve for x
    x = 1,423,141,291,349.11/1,361,124
  6. Step 6: Final answer
    x = 1,045,563.29

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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.