Home / 991,383.50-1,368,077.85-583,391.36

Finding the Fourth Proportional to 991,383.50, 1,368,077.85 and 583,391.36

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Solution

The fourth proportional to 991,383.50, 1,368,077.85 and 583,391.36 is: 805,061.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,383.50 : 1,368,077.85 = 583,391.36 : x
  2. Step 2: Convert to fraction form
    991,383.50/1,368,077.85 = 583,391.36/x
  3. Step 3: Cross multiply
    991,383.50x = 1,368,077.85 × 583,391.36
  4. Step 4: Simplify right side
    991,383.50x = 798,124,800,917.57
  5. Step 5: Solve for x
    x = 798,124,800,917.57/991,383.50
  6. Step 6: Final answer
    x = 805,061.61

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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.