Home / 1,222,083.72-1,686,097.62-712,425.24

Finding the Fourth Proportional to 1,222,083.72, 1,686,097.62 and 712,425.24

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Solution

The fourth proportional to 1,222,083.72, 1,686,097.62 and 712,425.24 is: 982,926.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,083.72 : 1,686,097.62 = 712,425.24 : x
  2. Step 2: Convert to fraction form
    1,222,083.72/1,686,097.62 = 712,425.24/x
  3. Step 3: Cross multiply
    1,222,083.72x = 1,686,097.62 × 712,425.24
  4. Step 4: Simplify right side
    1,222,083.72x = 1,201,218,501,591.93
  5. Step 5: Solve for x
    x = 1,201,218,501,591.93/1,222,083.72
  6. Step 6: Final answer
    x = 982,926.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.