Home / 1,293,228.23-1,784,584.64-712,338.15

Finding the Fourth Proportional to 1,293,228.23, 1,784,584.64 and 712,338.15

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Solution

The fourth proportional to 1,293,228.23, 1,784,584.64 and 712,338.15 is: 982,987.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,228.23 : 1,784,584.64 = 712,338.15 : x
  2. Step 2: Convert to fraction form
    1,293,228.23/1,784,584.64 = 712,338.15/x
  3. Step 3: Cross multiply
    1,293,228.23x = 1,784,584.64 × 712,338.15
  4. Step 4: Simplify right side
    1,293,228.23x = 1,271,227,717,414.33
  5. Step 5: Solve for x
    x = 1,271,227,717,414.33/1,293,228.23
  6. Step 6: Final answer
    x = 982,987.92

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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.