Home / 1,224,769.14-1,690,085.66-680,871.83

Finding the Fourth Proportional to 1,224,769.14, 1,690,085.66 and 680,871.83

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Solution

The fourth proportional to 1,224,769.14, 1,690,085.66 and 680,871.83 is: 939,549.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,769.14 : 1,690,085.66 = 680,871.83 : x
  2. Step 2: Convert to fraction form
    1,224,769.14/1,690,085.66 = 680,871.83/x
  3. Step 3: Cross multiply
    1,224,769.14x = 1,690,085.66 × 680,871.83
  4. Step 4: Simplify right side
    1,224,769.14x = 1,150,731,704,326.17
  5. Step 5: Solve for x
    x = 1,150,731,704,326.17/1,224,769.14
  6. Step 6: Final answer
    x = 939,549.88

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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.