Home / 1,008,234.10-1,510,601.55-653,065.30

Finding the Fourth Proportional to 1,008,234.10, 1,510,601.55 and 653,065.30

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Solution

The fourth proportional to 1,008,234.10, 1,510,601.55 and 653,065.30 is: 978,464.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,234.10 : 1,510,601.55 = 653,065.30 : x
  2. Step 2: Convert to fraction form
    1,008,234.10/1,510,601.55 = 653,065.30/x
  3. Step 3: Cross multiply
    1,008,234.10x = 1,510,601.55 × 653,065.30
  4. Step 4: Simplify right side
    1,008,234.10x = 986,521,454,431.22
  5. Step 5: Solve for x
    x = 986,521,454,431.22/1,008,234.10
  6. Step 6: Final answer
    x = 978,464.68

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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.