Home / 1,205,587.67-1,663,710.34-682,288.78

Finding the Fourth Proportional to 1,205,587.67, 1,663,710.34 and 682,288.78

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Solution

The fourth proportional to 1,205,587.67, 1,663,710.34 and 682,288.78 is: 941,558.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,587.67 : 1,663,710.34 = 682,288.78 : x
  2. Step 2: Convert to fraction form
    1,205,587.67/1,663,710.34 = 682,288.78/x
  3. Step 3: Cross multiply
    1,205,587.67x = 1,663,710.34 × 682,288.78
  4. Step 4: Simplify right side
    1,205,587.67x = 1,135,130,893,634.74
  5. Step 5: Solve for x
    x = 1,135,130,893,634.74/1,205,587.67
  6. Step 6: Final answer
    x = 941,558.15

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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.