Home / 718,523.76-1,077,785.56-403,005.27

Finding the Fourth Proportional to 718,523.76, 1,077,785.56 and 403,005.27

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Solution

The fourth proportional to 718,523.76, 1,077,785.56 and 403,005.27 is: 604,507.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,523.76 : 1,077,785.56 = 403,005.27 : x
  2. Step 2: Convert to fraction form
    718,523.76/1,077,785.56 = 403,005.27/x
  3. Step 3: Cross multiply
    718,523.76x = 1,077,785.56 × 403,005.27
  4. Step 4: Simplify right side
    718,523.76x = 434,353,260,609.90
  5. Step 5: Solve for x
    x = 434,353,260,609.90/718,523.76
  6. Step 6: Final answer
    x = 604,507.86

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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.