Home / 1,295,824.88-1,788,226.10-715,053.36

Finding the Fourth Proportional to 1,295,824.88, 1,788,226.10 and 715,053.36

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Solution

The fourth proportional to 1,295,824.88, 1,788,226.10 and 715,053.36 is: 986,766.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,824.88 : 1,788,226.10 = 715,053.36 : x
  2. Step 2: Convert to fraction form
    1,295,824.88/1,788,226.10 = 715,053.36/x
  3. Step 3: Cross multiply
    1,295,824.88x = 1,788,226.10 × 715,053.36
  4. Step 4: Simplify right side
    1,295,824.88x = 1,278,677,081,244.70
  5. Step 5: Solve for x
    x = 1,278,677,081,244.70/1,295,824.88
  6. Step 6: Final answer
    x = 986,766.89

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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.