Home / 458,845.32-688,366.36-192,452.28

Finding the Fourth Proportional to 458,845.32, 688,366.36 and 192,452.28

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Solution

The fourth proportional to 458,845.32, 688,366.36 and 192,452.28 is: 288,719.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,845.32 : 688,366.36 = 192,452.28 : x
  2. Step 2: Convert to fraction form
    458,845.32/688,366.36 = 192,452.28/x
  3. Step 3: Cross multiply
    458,845.32x = 688,366.36 × 192,452.28
  4. Step 4: Simplify right side
    458,845.32x = 132,477,675,457.30
  5. Step 5: Solve for x
    x = 132,477,675,457.30/458,845.32
  6. Step 6: Final answer
    x = 288,719.68

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1.5x scale

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.