Home / 1,243,170.29-1,864,570.68-344,518.34

Finding the Fourth Proportional to 1,243,170.29, 1,864,570.68 and 344,518.34

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Solution

The fourth proportional to 1,243,170.29, 1,864,570.68 and 344,518.34 is: 516,726.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,170.29 : 1,864,570.68 = 344,518.34 : x
  2. Step 2: Convert to fraction form
    1,243,170.29/1,864,570.68 = 344,518.34/x
  3. Step 3: Cross multiply
    1,243,170.29x = 1,864,570.68 × 344,518.34
  4. Step 4: Simplify right side
    1,243,170.29x = 642,378,786,163.42
  5. Step 5: Solve for x
    x = 642,378,786,163.42/1,243,170.29
  6. Step 6: Final answer
    x = 516,726.30

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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.