Home / 863,626.64-1,191,863.16-501,050.66

Finding the Fourth Proportional to 863,626.64, 1,191,863.16 and 501,050.66

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Solution

The fourth proportional to 863,626.64, 1,191,863.16 and 501,050.66 is: 691,483.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,626.64 : 1,191,863.16 = 501,050.66 : x
  2. Step 2: Convert to fraction form
    863,626.64/1,191,863.16 = 501,050.66/x
  3. Step 3: Cross multiply
    863,626.64x = 1,191,863.16 × 501,050.66
  4. Step 4: Simplify right side
    863,626.64x = 597,183,816,988.37
  5. Step 5: Solve for x
    x = 597,183,816,988.37/863,626.64
  6. Step 6: Final answer
    x = 691,483.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.