Home / 1,221,665.52-1,685,841.30-677,795.52

Finding the Fourth Proportional to 1,221,665.52, 1,685,841.30 and 677,795.52

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Solution

The fourth proportional to 1,221,665.52, 1,685,841.30 and 677,795.52 is: 935,326.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,665.52 : 1,685,841.30 = 677,795.52 : x
  2. Step 2: Convert to fraction form
    1,221,665.52/1,685,841.30 = 677,795.52/x
  3. Step 3: Cross multiply
    1,221,665.52x = 1,685,841.30 × 677,795.52
  4. Step 4: Simplify right side
    1,221,665.52x = 1,142,655,680,570.98
  5. Step 5: Solve for x
    x = 1,142,655,680,570.98/1,221,665.52
  6. Step 6: Final answer
    x = 935,326.13

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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.