Home / 1,333,520.04-1,840,243.44-721,659.48

Finding the Fourth Proportional to 1,333,520.04, 1,840,243.44 and 721,659.48

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Solution

The fourth proportional to 1,333,520.04, 1,840,243.44 and 721,659.48 is: 995,882.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,520.04 : 1,840,243.44 = 721,659.48 : x
  2. Step 2: Convert to fraction form
    1,333,520.04/1,840,243.44 = 721,659.48/x
  3. Step 3: Cross multiply
    1,333,520.04x = 1,840,243.44 × 721,659.48
  4. Step 4: Simplify right side
    1,333,520.04x = 1,328,029,123,983.81
  5. Step 5: Solve for x
    x = 1,328,029,123,983.81/1,333,520.04
  6. Step 6: Final answer
    x = 995,882.39

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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.