Home / 1,146,554.40-1,719,313.20-515,143.20

Finding the Fourth Proportional to 1,146,554.40, 1,719,313.20 and 515,143.20

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Solution

The fourth proportional to 1,146,554.40, 1,719,313.20 and 515,143.20 is: 772,481.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,554.40 : 1,719,313.20 = 515,143.20 : x
  2. Step 2: Convert to fraction form
    1,146,554.40/1,719,313.20 = 515,143.20/x
  3. Step 3: Cross multiply
    1,146,554.40x = 1,719,313.20 × 515,143.20
  4. Step 4: Simplify right side
    1,146,554.40x = 885,692,503,650.24
  5. Step 5: Solve for x
    x = 885,692,503,650.24/1,146,554.40
  6. Step 6: Final answer
    x = 772,481.88

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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.