Home / 419,037.88-577,870.26-281,527.48

Finding the Fourth Proportional to 419,037.88, 577,870.26 and 281,527.48

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Solution

The fourth proportional to 419,037.88, 577,870.26 and 281,527.48 is: 388,237.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,037.88 : 577,870.26 = 281,527.48 : x
  2. Step 2: Convert to fraction form
    419,037.88/577,870.26 = 281,527.48/x
  3. Step 3: Cross multiply
    419,037.88x = 577,870.26 × 281,527.48
  4. Step 4: Simplify right side
    419,037.88x = 162,686,358,064.75
  5. Step 5: Solve for x
    x = 162,686,358,064.75/419,037.88
  6. Step 6: Final answer
    x = 388,237.83

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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.