Home / 1,066,757.84-1,471,432.16-684,178.64

Finding the Fourth Proportional to 1,066,757.84, 1,471,432.16 and 684,178.64

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Solution

The fourth proportional to 1,066,757.84, 1,471,432.16 and 684,178.64 is: 943,721.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,066,757.84 : 1,471,432.16 = 684,178.64 : x
  2. Step 2: Convert to fraction form
    1,066,757.84/1,471,432.16 = 684,178.64/x
  3. Step 3: Cross multiply
    1,066,757.84x = 1,471,432.16 × 684,178.64
  4. Step 4: Simplify right side
    1,066,757.84x = 1,006,722,454,081.06
  5. Step 5: Solve for x
    x = 1,006,722,454,081.06/1,066,757.84
  6. Step 6: Final answer
    x = 943,721.64

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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.