Home / 837,599.28-1,155,961.92-493,438.36

Finding the Fourth Proportional to 837,599.28, 1,155,961.92 and 493,438.36

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Solution

The fourth proportional to 837,599.28, 1,155,961.92 and 493,438.36 is: 680,989.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,599.28 : 1,155,961.92 = 493,438.36 : x
  2. Step 2: Convert to fraction form
    837,599.28/1,155,961.92 = 493,438.36/x
  3. Step 3: Cross multiply
    837,599.28x = 1,155,961.92 × 493,438.36
  4. Step 4: Simplify right side
    837,599.28x = 570,395,954,027.25
  5. Step 5: Solve for x
    x = 570,395,954,027.25/837,599.28
  6. Step 6: Final answer
    x = 680,989.07

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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.