Home / 993,449.21-1,490,187.38-283,476.92

Finding the Fourth Proportional to 993,449.21, 1,490,187.38 and 283,476.92

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Solution

The fourth proportional to 993,449.21, 1,490,187.38 and 283,476.92 is: 425,219.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,449.21 : 1,490,187.38 = 283,476.92 : x
  2. Step 2: Convert to fraction form
    993,449.21/1,490,187.38 = 283,476.92/x
  3. Step 3: Cross multiply
    993,449.21x = 1,490,187.38 × 283,476.92
  4. Step 4: Simplify right side
    993,449.21x = 422,433,719,836.95
  5. Step 5: Solve for x
    x = 422,433,719,836.95/993,449.21
  6. Step 6: Final answer
    x = 425,219.24

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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.