Home / 1,680,905.07-2,519,859.42-615,697.77

Finding the Fourth Proportional to 1,680,905.07, 2,519,859.42 and 615,697.77

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Solution

The fourth proportional to 1,680,905.07, 2,519,859.42 and 615,697.77 is: 922,997.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,905.07 : 2,519,859.42 = 615,697.77 : x
  2. Step 2: Convert to fraction form
    1,680,905.07/2,519,859.42 = 615,697.77/x
  3. Step 3: Cross multiply
    1,680,905.07x = 2,519,859.42 × 615,697.77
  4. Step 4: Simplify right side
    1,680,905.07x = 1,551,471,825,607.49
  5. Step 5: Solve for x
    x = 1,551,471,825,607.49/1,680,905.07
  6. Step 6: Final answer
    x = 922,997.89

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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.