Home / 1,505,973.36-2,078,276.76-826,912.56

Finding the Fourth Proportional to 1,505,973.36, 2,078,276.76 and 826,912.56

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Solution

The fourth proportional to 1,505,973.36, 2,078,276.76 and 826,912.56 is: 1,141,157.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,505,973.36 : 2,078,276.76 = 826,912.56 : x
  2. Step 2: Convert to fraction form
    1,505,973.36/2,078,276.76 = 826,912.56/x
  3. Step 3: Cross multiply
    1,505,973.36x = 2,078,276.76 × 826,912.56
  4. Step 4: Simplify right side
    1,505,973.36x = 1,718,553,156,000.11
  5. Step 5: Solve for x
    x = 1,718,553,156,000.11/1,505,973.36
  6. Step 6: Final answer
    x = 1,141,157.74

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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.