Home / 1,384,934.52-1,911,241.95-868,710.33

Finding the Fourth Proportional to 1,384,934.52, 1,911,241.95 and 868,710.33

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Solution

The fourth proportional to 1,384,934.52, 1,911,241.95 and 868,710.33 is: 1,198,840.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,934.52 : 1,911,241.95 = 868,710.33 : x
  2. Step 2: Convert to fraction form
    1,384,934.52/1,911,241.95 = 868,710.33/x
  3. Step 3: Cross multiply
    1,384,934.52x = 1,911,241.95 × 868,710.33
  4. Step 4: Simplify right side
    1,384,934.52x = 1,660,315,625,094.34
  5. Step 5: Solve for x
    x = 1,660,315,625,094.34/1,384,934.52
  6. Step 6: Final answer
    x = 1,198,840.52

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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.