Home / 1,151,485.74-1,728,725.31-885,433.08

Finding the Fourth Proportional to 1,151,485.74, 1,728,725.31 and 885,433.08

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Solution

The fourth proportional to 1,151,485.74, 1,728,725.31 and 885,433.08 is: 1,329,300.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,485.74 : 1,728,725.31 = 885,433.08 : x
  2. Step 2: Convert to fraction form
    1,151,485.74/1,728,725.31 = 885,433.08/x
  3. Step 3: Cross multiply
    1,151,485.74x = 1,728,725.31 × 885,433.08
  4. Step 4: Simplify right side
    1,151,485.74x = 1,530,670,575,707.26
  5. Step 5: Solve for x
    x = 1,530,670,575,707.26/1,151,485.74
  6. Step 6: Final answer
    x = 1,329,300.51

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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.