Home / 1,205,800.14-1,663,943.08-715,790.61

Finding the Fourth Proportional to 1,205,800.14, 1,663,943.08 and 715,790.61

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Solution

The fourth proportional to 1,205,800.14, 1,663,943.08 and 715,790.61 is: 987,754.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,800.14 : 1,663,943.08 = 715,790.61 : x
  2. Step 2: Convert to fraction form
    1,205,800.14/1,663,943.08 = 715,790.61/x
  3. Step 3: Cross multiply
    1,205,800.14x = 1,663,943.08 × 715,790.61
  4. Step 4: Simplify right side
    1,205,800.14x = 1,191,034,832,238.48
  5. Step 5: Solve for x
    x = 1,191,034,832,238.48/1,205,800.14
  6. Step 6: Final answer
    x = 987,754.76

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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.