Home / 934,712.96-1,289,902.28-504,991.76

Finding the Fourth Proportional to 934,712.96, 1,289,902.28 and 504,991.76

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Solution

The fourth proportional to 934,712.96, 1,289,902.28 and 504,991.76 is: 696,887.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,712.96 : 1,289,902.28 = 504,991.76 : x
  2. Step 2: Convert to fraction form
    934,712.96/1,289,902.28 = 504,991.76/x
  3. Step 3: Cross multiply
    934,712.96x = 1,289,902.28 × 504,991.76
  4. Step 4: Simplify right side
    934,712.96x = 651,390,022,605.21
  5. Step 5: Solve for x
    x = 651,390,022,605.21/934,712.96
  6. Step 6: Final answer
    x = 696,887.76

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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.