Home / 1,205,230.94-1,663,214.13-661,375.82

Finding the Fourth Proportional to 1,205,230.94, 1,663,214.13 and 661,375.82

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Solution

The fourth proportional to 1,205,230.94, 1,663,214.13 and 661,375.82 is: 912,696.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,230.94 : 1,663,214.13 = 661,375.82 : x
  2. Step 2: Convert to fraction form
    1,205,230.94/1,663,214.13 = 661,375.82/x
  3. Step 3: Cross multiply
    1,205,230.94x = 1,663,214.13 × 661,375.82
  4. Step 4: Simplify right side
    1,205,230.94x = 1,100,009,609,064.34
  5. Step 5: Solve for x
    x = 1,100,009,609,064.34/1,205,230.94
  6. Step 6: Final answer
    x = 912,696.13

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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.