Home / 1,278,775.35-1,764,706.64-705,811.59

Finding the Fourth Proportional to 1,278,775.35, 1,764,706.64 and 705,811.59

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Solution

The fourth proportional to 1,278,775.35, 1,764,706.64 and 705,811.59 is: 974,018.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,775.35 : 1,764,706.64 = 705,811.59 : x
  2. Step 2: Convert to fraction form
    1,278,775.35/1,764,706.64 = 705,811.59/x
  3. Step 3: Cross multiply
    1,278,775.35x = 1,764,706.64 × 705,811.59
  4. Step 4: Simplify right side
    1,278,775.35x = 1,245,550,395,932.90
  5. Step 5: Solve for x
    x = 1,245,550,395,932.90/1,278,775.35
  6. Step 6: Final answer
    x = 974,018.15

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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.