Home / 1,453,369.92-2,005,437.30-872,469.88

Finding the Fourth Proportional to 1,453,369.92, 2,005,437.30 and 872,469.88

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Solution

The fourth proportional to 1,453,369.92, 2,005,437.30 and 872,469.88 is: 1,203,880.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,453,369.92 : 2,005,437.30 = 872,469.88 : x
  2. Step 2: Convert to fraction form
    1,453,369.92/2,005,437.30 = 872,469.88/x
  3. Step 3: Cross multiply
    1,453,369.92x = 2,005,437.30 × 872,469.88
  4. Step 4: Simplify right side
    1,453,369.92x = 1,749,683,640,478.52
  5. Step 5: Solve for x
    x = 1,749,683,640,478.52/1,453,369.92
  6. Step 6: Final answer
    x = 1,203,880.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.