Home / 1,155,308.28-1,733,372.82-515,553.81

Finding the Fourth Proportional to 1,155,308.28, 1,733,372.82 and 515,553.81

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Solution

The fourth proportional to 1,155,308.28, 1,733,372.82 and 515,553.81 is: 773,513.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,308.28 : 1,733,372.82 = 515,553.81 : x
  2. Step 2: Convert to fraction form
    1,155,308.28/1,733,372.82 = 515,553.81/x
  3. Step 3: Cross multiply
    1,155,308.28x = 1,733,372.82 × 515,553.81
  4. Step 4: Simplify right side
    1,155,308.28x = 893,646,961,501.44
  5. Step 5: Solve for x
    x = 893,646,961,501.44/1,155,308.28
  6. Step 6: Final answer
    x = 773,513.86

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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.