Home / 1,213,570.47-1,821,473.82-614,955.78

Finding the Fourth Proportional to 1,213,570.47, 1,821,473.82 and 614,955.78

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Solution

The fourth proportional to 1,213,570.47, 1,821,473.82 and 614,955.78 is: 923,000.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,570.47 : 1,821,473.82 = 614,955.78 : x
  2. Step 2: Convert to fraction form
    1,213,570.47/1,821,473.82 = 614,955.78/x
  3. Step 3: Cross multiply
    1,213,570.47x = 1,821,473.82 × 614,955.78
  4. Step 4: Simplify right side
    1,213,570.47x = 1,120,125,853,727.68
  5. Step 5: Solve for x
    x = 1,120,125,853,727.68/1,213,570.47
  6. Step 6: Final answer
    x = 923,000.26

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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.