Home / 664,337.10-996,408.45-190,973.10

Finding the Fourth Proportional to 664,337.10, 996,408.45 and 190,973.10

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Solution

The fourth proportional to 664,337.10, 996,408.45 and 190,973.10 is: 286,431.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,337.10 : 996,408.45 = 190,973.10 : x
  2. Step 2: Convert to fraction form
    664,337.10/996,408.45 = 190,973.10/x
  3. Step 3: Cross multiply
    664,337.10x = 996,408.45 × 190,973.10
  4. Step 4: Simplify right side
    664,337.10x = 190,287,210,562.70
  5. Step 5: Solve for x
    x = 190,287,210,562.70/664,337.10
  6. Step 6: Final answer
    x = 286,431.71

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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.