Home / 1,366,958.88-1,886,343.12-763,333.92

Finding the Fourth Proportional to 1,366,958.88, 1,886,343.12 and 763,333.92

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Solution

The fourth proportional to 1,366,958.88, 1,886,343.12 and 763,333.92 is: 1,053,367.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,366,958.88 : 1,886,343.12 = 763,333.92 : x
  2. Step 2: Convert to fraction form
    1,366,958.88/1,886,343.12 = 763,333.92/x
  3. Step 3: Cross multiply
    1,366,958.88x = 1,886,343.12 × 763,333.92
  4. Step 4: Simplify right side
    1,366,958.88x = 1,439,909,688,254.63
  5. Step 5: Solve for x
    x = 1,439,909,688,254.63/1,366,958.88
  6. Step 6: Final answer
    x = 1,053,367.23

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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.