Home / 1,111,040.73-1,533,231.45-621,009.59

Finding the Fourth Proportional to 1,111,040.73, 1,533,231.45 and 621,009.59

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Solution

The fourth proportional to 1,111,040.73, 1,533,231.45 and 621,009.59 is: 856,990.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,040.73 : 1,533,231.45 = 621,009.59 : x
  2. Step 2: Convert to fraction form
    1,111,040.73/1,533,231.45 = 621,009.59/x
  3. Step 3: Cross multiply
    1,111,040.73x = 1,533,231.45 × 621,009.59
  4. Step 4: Simplify right side
    1,111,040.73x = 952,151,426,473.45
  5. Step 5: Solve for x
    x = 952,151,426,473.45/1,111,040.73
  6. Step 6: Final answer
    x = 856,990.57

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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.