Home / 1,124,918.88-1,687,509.39-395,217.84

Finding the Fourth Proportional to 1,124,918.88, 1,687,509.39 and 395,217.84

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Solution

The fourth proportional to 1,124,918.88, 1,687,509.39 and 395,217.84 is: 592,872.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,918.88 : 1,687,509.39 = 395,217.84 : x
  2. Step 2: Convert to fraction form
    1,124,918.88/1,687,509.39 = 395,217.84/x
  3. Step 3: Cross multiply
    1,124,918.88x = 1,687,509.39 × 395,217.84
  4. Step 4: Simplify right side
    1,124,918.88x = 666,933,816,095.52
  5. Step 5: Solve for x
    x = 666,933,816,095.52/1,124,918.88
  6. Step 6: Final answer
    x = 592,872.81

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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.