Home / 682,023.24-1,021,809.06-401,387.40

Finding the Fourth Proportional to 682,023.24, 1,021,809.06 and 401,387.40

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Solution

The fourth proportional to 682,023.24, 1,021,809.06 and 401,387.40 is: 601,359.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,023.24 : 1,021,809.06 = 401,387.40 : x
  2. Step 2: Convert to fraction form
    682,023.24/1,021,809.06 = 401,387.40/x
  3. Step 3: Cross multiply
    682,023.24x = 1,021,809.06 × 401,387.40
  4. Step 4: Simplify right side
    682,023.24x = 410,141,281,889.84
  5. Step 5: Solve for x
    x = 410,141,281,889.84/682,023.24
  6. Step 6: Final answer
    x = 601,359.69

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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.