Home / 1,074,424.88-1,482,633.24-621,783.92

Finding the Fourth Proportional to 1,074,424.88, 1,482,633.24 and 621,783.92

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Solution

The fourth proportional to 1,074,424.88, 1,482,633.24 and 621,783.92 is: 858,019.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,424.88 : 1,482,633.24 = 621,783.92 : x
  2. Step 2: Convert to fraction form
    1,074,424.88/1,482,633.24 = 621,783.92/x
  3. Step 3: Cross multiply
    1,074,424.88x = 1,482,633.24 × 621,783.92
  4. Step 4: Simplify right side
    1,074,424.88x = 921,877,507,889.50
  5. Step 5: Solve for x
    x = 921,877,507,889.50/1,074,424.88
  6. Step 6: Final answer
    x = 858,019.51

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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.