Home / 1,185,282.57-1,777,743.45-386,562.84

Finding the Fourth Proportional to 1,185,282.57, 1,777,743.45 and 386,562.84

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Solution

The fourth proportional to 1,185,282.57, 1,777,743.45 and 386,562.84 is: 579,785.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,282.57 : 1,777,743.45 = 386,562.84 : x
  2. Step 2: Convert to fraction form
    1,185,282.57/1,777,743.45 = 386,562.84/x
  3. Step 3: Cross multiply
    1,185,282.57x = 1,777,743.45 × 386,562.84
  4. Step 4: Simplify right side
    1,185,282.57x = 687,209,556,823.40
  5. Step 5: Solve for x
    x = 687,209,556,823.40/1,185,282.57
  6. Step 6: Final answer
    x = 579,785.42

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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.