Home / 1,276,583.52-1,914,923.88-477,780.96

Finding the Fourth Proportional to 1,276,583.52, 1,914,923.88 and 477,780.96

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Solution

The fourth proportional to 1,276,583.52, 1,914,923.88 and 477,780.96 is: 716,689.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,583.52 : 1,914,923.88 = 477,780.96 : x
  2. Step 2: Convert to fraction form
    1,276,583.52/1,914,923.88 = 477,780.96/x
  3. Step 3: Cross multiply
    1,276,583.52x = 1,914,923.88 × 477,780.96
  4. Step 4: Simplify right side
    1,276,583.52x = 914,914,169,713.33
  5. Step 5: Solve for x
    x = 914,914,169,713.33/1,276,583.52
  6. Step 6: Final answer
    x = 716,689.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.