Home / 1,577,516.40-2,365,399.80-629,816.40

Finding the Fourth Proportional to 1,577,516.40, 2,365,399.80 and 629,816.40

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Solution

The fourth proportional to 1,577,516.40, 2,365,399.80 and 629,816.40 is: 944,375.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,577,516.40 : 2,365,399.80 = 629,816.40 : x
  2. Step 2: Convert to fraction form
    1,577,516.40/2,365,399.80 = 629,816.40/x
  3. Step 3: Cross multiply
    1,577,516.40x = 2,365,399.80 × 629,816.40
  4. Step 4: Simplify right side
    1,577,516.40x = 1,489,767,586,596.72
  5. Step 5: Solve for x
    x = 1,489,767,586,596.72/1,577,516.40
  6. Step 6: Final answer
    x = 944,375.34

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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.