Home / 1,205,424.96-1,663,481.60-661,569.69

Finding the Fourth Proportional to 1,205,424.96, 1,663,481.60 and 661,569.69

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Solution

The fourth proportional to 1,205,424.96, 1,663,481.60 and 661,569.69 is: 912,963.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,424.96 : 1,663,481.60 = 661,569.69 : x
  2. Step 2: Convert to fraction form
    1,205,424.96/1,663,481.60 = 661,569.69/x
  3. Step 3: Cross multiply
    1,205,424.96x = 1,663,481.60 × 661,569.69
  4. Step 4: Simplify right side
    1,205,424.96x = 1,100,509,003,124.86
  5. Step 5: Solve for x
    x = 1,100,509,003,124.86/1,205,424.96
  6. Step 6: Final answer
    x = 912,963.51

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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.