Home / 1,188,717.81-1,783,201.36-514,867.27

Finding the Fourth Proportional to 1,188,717.81, 1,783,201.36 and 514,867.27

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Solution

The fourth proportional to 1,188,717.81, 1,783,201.36 and 514,867.27 is: 772,354.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,717.81 : 1,783,201.36 = 514,867.27 : x
  2. Step 2: Convert to fraction form
    1,188,717.81/1,783,201.36 = 514,867.27/x
  3. Step 3: Cross multiply
    1,188,717.81x = 1,783,201.36 × 514,867.27
  4. Step 4: Simplify right side
    1,188,717.81x = 918,112,016,083.49
  5. Step 5: Solve for x
    x = 918,112,016,083.49/1,188,717.81
  6. Step 6: Final answer
    x = 772,354.89

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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.