Home / 744,101.83-1,027,367.65-499,453.50

Finding the Fourth Proportional to 744,101.83, 1,027,367.65 and 499,453.50

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Solution

The fourth proportional to 744,101.83, 1,027,367.65 and 499,453.50 is: 689,586.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,101.83 : 1,027,367.65 = 499,453.50 : x
  2. Step 2: Convert to fraction form
    744,101.83/1,027,367.65 = 499,453.50/x
  3. Step 3: Cross multiply
    744,101.83x = 1,027,367.65 × 499,453.50
  4. Step 4: Simplify right side
    744,101.83x = 513,122,368,579.28
  5. Step 5: Solve for x
    x = 513,122,368,579.28/744,101.83
  6. Step 6: Final answer
    x = 689,586.22

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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.