Home / 1,680,808.68-2,319,709.56-935,809.56

Finding the Fourth Proportional to 1,680,808.68, 2,319,709.56 and 935,809.56

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Solution

The fourth proportional to 1,680,808.68, 2,319,709.56 and 935,809.56 is: 1,291,524.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,808.68 : 2,319,709.56 = 935,809.56 : x
  2. Step 2: Convert to fraction form
    1,680,808.68/2,319,709.56 = 935,809.56/x
  3. Step 3: Cross multiply
    1,680,808.68x = 2,319,709.56 × 935,809.56
  4. Step 4: Simplify right side
    1,680,808.68x = 2,170,806,382,671.39
  5. Step 5: Solve for x
    x = 2,170,806,382,671.39/1,680,808.68
  6. Step 6: Final answer
    x = 1,291,524.97

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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.