Home / 1,185,564.86-1,778,348.56-554,921.54

Finding the Fourth Proportional to 1,185,564.86, 1,778,348.56 and 554,921.54

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Solution

The fourth proportional to 1,185,564.86, 1,778,348.56 and 554,921.54 is: 832,382.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,564.86 : 1,778,348.56 = 554,921.54 : x
  2. Step 2: Convert to fraction form
    1,185,564.86/1,778,348.56 = 554,921.54/x
  3. Step 3: Cross multiply
    1,185,564.86x = 1,778,348.56 × 554,921.54
  4. Step 4: Simplify right side
    1,185,564.86x = 986,843,921,571.98
  5. Step 5: Solve for x
    x = 986,843,921,571.98/1,185,564.86
  6. Step 6: Final answer
    x = 832,382.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.