Home / 1,543,935.60-2,130,637.32-864,872.64

Finding the Fourth Proportional to 1,543,935.60, 2,130,637.32 and 864,872.64

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Solution

The fourth proportional to 1,543,935.60, 2,130,637.32 and 864,872.64 is: 1,193,527.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,935.60 : 2,130,637.32 = 864,872.64 : x
  2. Step 2: Convert to fraction form
    1,543,935.60/2,130,637.32 = 864,872.64/x
  3. Step 3: Cross multiply
    1,543,935.60x = 2,130,637.32 × 864,872.64
  4. Step 4: Simplify right side
    1,543,935.60x = 1,842,729,923,830.92
  5. Step 5: Solve for x
    x = 1,842,729,923,830.92/1,543,935.60
  6. Step 6: Final answer
    x = 1,193,527.71

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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.