Home / 1,333,725.19-1,840,540.62-721,877.84

Finding the Fourth Proportional to 1,333,725.19, 1,840,540.62 and 721,877.84

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Solution

The fourth proportional to 1,333,725.19, 1,840,540.62 and 721,877.84 is: 996,191.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,725.19 : 1,840,540.62 = 721,877.84 : x
  2. Step 2: Convert to fraction form
    1,333,725.19/1,840,540.62 = 721,877.84/x
  3. Step 3: Cross multiply
    1,333,725.19x = 1,840,540.62 × 721,877.84
  4. Step 4: Simplify right side
    1,333,725.19x = 1,328,645,487,197.86
  5. Step 5: Solve for x
    x = 1,328,645,487,197.86/1,333,725.19
  6. Step 6: Final answer
    x = 996,191.34

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1.5x scale

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.