Home / 598,868.36-827,339.75-392,626.77

Finding the Fourth Proportional to 598,868.36, 827,339.75 and 392,626.77

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Solution

The fourth proportional to 598,868.36, 827,339.75 and 392,626.77 is: 542,415.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,868.36 : 827,339.75 = 392,626.77 : x
  2. Step 2: Convert to fraction form
    598,868.36/827,339.75 = 392,626.77/x
  3. Step 3: Cross multiply
    598,868.36x = 827,339.75 × 392,626.77
  4. Step 4: Simplify right side
    598,868.36x = 324,835,734,716.67
  5. Step 5: Solve for x
    x = 324,835,734,716.67/598,868.36
  6. Step 6: Final answer
    x = 542,415.92

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1.5x scale

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.