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Finding the Fourth Proportional to 1,706,987.52, 2,355,710.52 and 981,834.48

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Solution

The fourth proportional to 1,706,987.52, 2,355,710.52 and 981,834.48 is: 1,354,970.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,706,987.52 : 2,355,710.52 = 981,834.48 : x
  2. Step 2: Convert to fraction form
    1,706,987.52/2,355,710.52 = 981,834.48/x
  3. Step 3: Cross multiply
    1,706,987.52x = 2,355,710.52 × 981,834.48
  4. Step 4: Simplify right side
    1,706,987.52x = 2,312,917,813,434.73
  5. Step 5: Solve for x
    x = 2,312,917,813,434.73/1,706,987.52
  6. Step 6: Final answer
    x = 1,354,970.55

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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.