Home / 1,025,964.99-1,539,112.89-315,992.82

Finding the Fourth Proportional to 1,025,964.99, 1,539,112.89 and 315,992.82

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Solution

The fourth proportional to 1,025,964.99, 1,539,112.89 and 315,992.82 is: 474,040.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,964.99 : 1,539,112.89 = 315,992.82 : x
  2. Step 2: Convert to fraction form
    1,025,964.99/1,539,112.89 = 315,992.82/x
  3. Step 3: Cross multiply
    1,025,964.99x = 1,539,112.89 × 315,992.82
  4. Step 4: Simplify right side
    1,025,964.99x = 486,348,622,409.45
  5. Step 5: Solve for x
    x = 486,348,622,409.45/1,025,964.99
  6. Step 6: Final answer
    x = 474,040.17

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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.