Home / 1,064,690.96-1,595,231.88-643,081.04

Finding the Fourth Proportional to 1,064,690.96, 1,595,231.88 and 643,081.04

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Solution

The fourth proportional to 1,064,690.96, 1,595,231.88 and 643,081.04 is: 963,531.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,064,690.96 : 1,595,231.88 = 643,081.04 : x
  2. Step 2: Convert to fraction form
    1,064,690.96/1,595,231.88 = 643,081.04/x
  3. Step 3: Cross multiply
    1,064,690.96x = 1,595,231.88 × 643,081.04
  4. Step 4: Simplify right side
    1,064,690.96x = 1,025,863,376,431.56
  5. Step 5: Solve for x
    x = 1,025,863,376,431.56/1,064,690.96
  6. Step 6: Final answer
    x = 963,531.59

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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.