Home / 1,857,849.67-2,786,105.93-643,096.23

Finding the Fourth Proportional to 1,857,849.67, 2,786,105.93 and 643,096.23

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Solution

The fourth proportional to 1,857,849.67, 2,786,105.93 and 643,096.23 is: 964,412.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,857,849.67 : 2,786,105.93 = 643,096.23 : x
  2. Step 2: Convert to fraction form
    1,857,849.67/2,786,105.93 = 643,096.23/x
  3. Step 3: Cross multiply
    1,857,849.67x = 2,786,105.93 × 643,096.23
  4. Step 4: Simplify right side
    1,857,849.67x = 1,791,734,230,260.13
  5. Step 5: Solve for x
    x = 1,791,734,230,260.13/1,857,849.67
  6. Step 6: Final answer
    x = 964,412.93

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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.