Home / 1,286,384.60-1,775,533.35-873,619.79

Finding the Fourth Proportional to 1,286,384.60, 1,775,533.35 and 873,619.79

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Solution

The fourth proportional to 1,286,384.60, 1,775,533.35 and 873,619.79 is: 1,205,814.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,384.60 : 1,775,533.35 = 873,619.79 : x
  2. Step 2: Convert to fraction form
    1,286,384.60/1,775,533.35 = 873,619.79/x
  3. Step 3: Cross multiply
    1,286,384.60x = 1,775,533.35 × 873,619.79
  4. Step 4: Simplify right side
    1,286,384.60x = 1,551,141,059,119.23
  5. Step 5: Solve for x
    x = 1,551,141,059,119.23/1,286,384.60
  6. Step 6: Final answer
    x = 1,205,814.39

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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.