Home / 1,857,808.70-2,786,044.48-643,055.27

Finding the Fourth Proportional to 1,857,808.70, 2,786,044.48 and 643,055.27

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Solution

The fourth proportional to 1,857,808.70, 2,786,044.48 and 643,055.27 is: 964,351.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,857,808.70 : 2,786,044.48 = 643,055.27 : x
  2. Step 2: Convert to fraction form
    1,857,808.70/2,786,044.48 = 643,055.27/x
  3. Step 3: Cross multiply
    1,857,808.70x = 2,786,044.48 × 643,055.27
  4. Step 4: Simplify right side
    1,857,808.70x = 1,791,580,585,318.41
  5. Step 5: Solve for x
    x = 1,791,580,585,318.41/1,857,808.70
  6. Step 6: Final answer
    x = 964,351.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.