Home / 1,384,933.02-1,911,239.88-868,708.83

Finding the Fourth Proportional to 1,384,933.02, 1,911,239.88 and 868,708.83

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Solution

The fourth proportional to 1,384,933.02, 1,911,239.88 and 868,708.83 is: 1,198,838.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,933.02 : 1,911,239.88 = 868,708.83 : x
  2. Step 2: Convert to fraction form
    1,384,933.02/1,911,239.88 = 868,708.83/x
  3. Step 3: Cross multiply
    1,384,933.02x = 1,911,239.88 × 868,708.83
  4. Step 4: Simplify right side
    1,384,933.02x = 1,660,310,960,004.14
  5. Step 5: Solve for x
    x = 1,660,310,960,004.14/1,384,933.02
  6. Step 6: Final answer
    x = 1,198,838.45

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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.