Home / 927,986.40-1,391,987.82-367,020.96

Finding the Fourth Proportional to 927,986.40, 1,391,987.82 and 367,020.96

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Solution

The fourth proportional to 927,986.40, 1,391,987.82 and 367,020.96 is: 550,534.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,986.40 : 1,391,987.82 = 367,020.96 : x
  2. Step 2: Convert to fraction form
    927,986.40/1,391,987.82 = 367,020.96/x
  3. Step 3: Cross multiply
    927,986.40x = 1,391,987.82 × 367,020.96
  4. Step 4: Simplify right side
    927,986.40x = 510,888,706,004.71
  5. Step 5: Solve for x
    x = 510,888,706,004.71/927,986.40
  6. Step 6: Final answer
    x = 550,534.69

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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.