Home / 1,214,709.09-1,822,404.15-531,655.43

Finding the Fourth Proportional to 1,214,709.09, 1,822,404.15 and 531,655.43

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Solution

The fourth proportional to 1,214,709.09, 1,822,404.15 and 531,655.43 is: 797,632.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,709.09 : 1,822,404.15 = 531,655.43 : x
  2. Step 2: Convert to fraction form
    1,214,709.09/1,822,404.15 = 531,655.43/x
  3. Step 3: Cross multiply
    1,214,709.09x = 1,822,404.15 × 531,655.43
  4. Step 4: Simplify right side
    1,214,709.09x = 968,891,052,890.01
  5. Step 5: Solve for x
    x = 968,891,052,890.01/1,214,709.09
  6. Step 6: Final answer
    x = 797,632.17

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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.