Home / 1,184,935.62-1,635,253.22-668,815.20

Finding the Fourth Proportional to 1,184,935.62, 1,635,253.22 and 668,815.20

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Solution

The fourth proportional to 1,184,935.62, 1,635,253.22 and 668,815.20 is: 922,988.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184,935.62 : 1,635,253.22 = 668,815.20 : x
  2. Step 2: Convert to fraction form
    1,184,935.62/1,635,253.22 = 668,815.20/x
  3. Step 3: Cross multiply
    1,184,935.62x = 1,635,253.22 × 668,815.20
  4. Step 4: Simplify right side
    1,184,935.62x = 1,093,682,209,384.94
  5. Step 5: Solve for x
    x = 1,093,682,209,384.94/1,184,935.62
  6. Step 6: Final answer
    x = 922,988.72

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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.