Home / 1,247,801.85-1,721,967.70-674,842.03

Finding the Fourth Proportional to 1,247,801.85, 1,721,967.70 and 674,842.03

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Solution

The fourth proportional to 1,247,801.85, 1,721,967.70 and 674,842.03 is: 931,282.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,801.85 : 1,721,967.70 = 674,842.03 : x
  2. Step 2: Convert to fraction form
    1,247,801.85/1,721,967.70 = 674,842.03/x
  3. Step 3: Cross multiply
    1,247,801.85x = 1,721,967.70 × 674,842.03
  4. Step 4: Simplify right side
    1,247,801.85x = 1,162,056,178,262.43
  5. Step 5: Solve for x
    x = 1,162,056,178,262.43/1,247,801.85
  6. Step 6: Final answer
    x = 931,282.62

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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.