Home / 1,247,748.64-1,721,898.28-674,788.80

Finding the Fourth Proportional to 1,247,748.64, 1,721,898.28 and 674,788.80

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Solution

The fourth proportional to 1,247,748.64, 1,721,898.28 and 674,788.80 is: 931,211.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,748.64 : 1,721,898.28 = 674,788.80 : x
  2. Step 2: Convert to fraction form
    1,247,748.64/1,721,898.28 = 674,788.80/x
  3. Step 3: Cross multiply
    1,247,748.64x = 1,721,898.28 × 674,788.80
  4. Step 4: Simplify right side
    1,247,748.64x = 1,161,917,674,083.26
  5. Step 5: Solve for x
    x = 1,161,917,674,083.26/1,247,748.64
  6. Step 6: Final answer
    x = 931,211.33

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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.