Home / 876,941.92-1,315,449.47-277,889.81

Finding the Fourth Proportional to 876,941.92, 1,315,449.47 and 277,889.81

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Solution

The fourth proportional to 876,941.92, 1,315,449.47 and 277,889.81 is: 416,846.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,941.92 : 1,315,449.47 = 277,889.81 : x
  2. Step 2: Convert to fraction form
    876,941.92/1,315,449.47 = 277,889.81/x
  3. Step 3: Cross multiply
    876,941.92x = 1,315,449.47 × 277,889.81
  4. Step 4: Simplify right side
    876,941.92x = 365,550,005,182.08
  5. Step 5: Solve for x
    x = 365,550,005,182.08/876,941.92
  6. Step 6: Final answer
    x = 416,846.31

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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.