Home / 1,005,080.03-1,387,023.95-546,203.69

Finding the Fourth Proportional to 1,005,080.03, 1,387,023.95 and 546,203.69

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Solution

The fourth proportional to 1,005,080.03, 1,387,023.95 and 546,203.69 is: 753,768.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,080.03 : 1,387,023.95 = 546,203.69 : x
  2. Step 2: Convert to fraction form
    1,005,080.03/1,387,023.95 = 546,203.69/x
  3. Step 3: Cross multiply
    1,005,080.03x = 1,387,023.95 × 546,203.69
  4. Step 4: Simplify right side
    1,005,080.03x = 757,597,589,942.24
  5. Step 5: Solve for x
    x = 757,597,589,942.24/1,005,080.03
  6. Step 6: Final answer
    x = 753,768.43

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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.