Home / 942,035.76-1,299,340.92-578,982.96

Finding the Fourth Proportional to 942,035.76, 1,299,340.92 and 578,982.96

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Solution

The fourth proportional to 942,035.76, 1,299,340.92 and 578,982.96 is: 798,585.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,035.76 : 1,299,340.92 = 578,982.96 : x
  2. Step 2: Convert to fraction form
    942,035.76/1,299,340.92 = 578,982.96/x
  3. Step 3: Cross multiply
    942,035.76x = 1,299,340.92 × 578,982.96
  4. Step 4: Simplify right side
    942,035.76x = 752,296,251,910.72
  5. Step 5: Solve for x
    x = 752,296,251,910.72/942,035.76
  6. Step 6: Final answer
    x = 798,585.66

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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.