Home / 957,003.80-1,434,690.30-424,234.40

Finding the Fourth Proportional to 957,003.80, 1,434,690.30 and 424,234.40

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Solution

The fourth proportional to 957,003.80, 1,434,690.30 and 424,234.40 is: 635,990.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,003.80 : 1,434,690.30 = 424,234.40 : x
  2. Step 2: Convert to fraction form
    957,003.80/1,434,690.30 = 424,234.40/x
  3. Step 3: Cross multiply
    957,003.80x = 1,434,690.30 × 424,234.40
  4. Step 4: Simplify right side
    957,003.80x = 608,644,978,606.32
  5. Step 5: Solve for x
    x = 608,644,978,606.32/957,003.80
  6. Step 6: Final answer
    x = 635,990.14

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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.