Home / 1,326,168.96-1,989,251.64-615,808.56

Finding the Fourth Proportional to 1,326,168.96, 1,989,251.64 and 615,808.56

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Solution

The fourth proportional to 1,326,168.96, 1,989,251.64 and 615,808.56 is: 923,712.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,168.96 : 1,989,251.64 = 615,808.56 : x
  2. Step 2: Convert to fraction form
    1,326,168.96/1,989,251.64 = 615,808.56/x
  3. Step 3: Cross multiply
    1,326,168.96x = 1,989,251.64 × 615,808.56
  4. Step 4: Simplify right side
    1,326,168.96x = 1,224,998,187,906.04
  5. Step 5: Solve for x
    x = 1,224,998,187,906.04/1,326,168.96
  6. Step 6: Final answer
    x = 923,712.00

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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.