Home / 821,930.31-1,134,259.95-459,353.79

Finding the Fourth Proportional to 821,930.31, 1,134,259.95 and 459,353.79

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Solution

The fourth proportional to 821,930.31, 1,134,259.95 and 459,353.79 is: 633,906.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,930.31 : 1,134,259.95 = 459,353.79 : x
  2. Step 2: Convert to fraction form
    821,930.31/1,134,259.95 = 459,353.79/x
  3. Step 3: Cross multiply
    821,930.31x = 1,134,259.95 × 459,353.79
  4. Step 4: Simplify right side
    821,930.31x = 521,026,606,877.71
  5. Step 5: Solve for x
    x = 521,026,606,877.71/821,930.31
  6. Step 6: Final answer
    x = 633,906.06

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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.