Home / 1,278,824.84-1,764,778.44-705,865.16

Finding the Fourth Proportional to 1,278,824.84, 1,764,778.44 and 705,865.16

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Solution

The fourth proportional to 1,278,824.84, 1,764,778.44 and 705,865.16 is: 974,094.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,824.84 : 1,764,778.44 = 705,865.16 : x
  2. Step 2: Convert to fraction form
    1,278,824.84/1,764,778.44 = 705,865.16/x
  3. Step 3: Cross multiply
    1,278,824.84x = 1,764,778.44 × 705,865.16
  4. Step 4: Simplify right side
    1,278,824.84x = 1,245,695,614,040.16
  5. Step 5: Solve for x
    x = 1,245,695,614,040.16/1,278,824.84
  6. Step 6: Final answer
    x = 974,094.01

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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.