Home / 993,853.20-1,490,451.75-319,773.36

Finding the Fourth Proportional to 993,853.20, 1,490,451.75 and 319,773.36

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Solution

The fourth proportional to 993,853.20, 1,490,451.75 and 319,773.36 is: 479,554.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,853.20 : 1,490,451.75 = 319,773.36 : x
  2. Step 2: Convert to fraction form
    993,853.20/1,490,451.75 = 319,773.36/x
  3. Step 3: Cross multiply
    993,853.20x = 1,490,451.75 × 319,773.36
  4. Step 4: Simplify right side
    993,853.20x = 476,606,764,015.38
  5. Step 5: Solve for x
    x = 476,606,764,015.38/993,853.20
  6. Step 6: Final answer
    x = 479,554.49

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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.