Home / 863,774.44-1,191,861.10-501,115.16

Finding the Fourth Proportional to 863,774.44, 1,191,861.10 and 501,115.16

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Solution

The fourth proportional to 863,774.44, 1,191,861.10 and 501,115.16 is: 691,453.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,774.44 : 1,191,861.10 = 501,115.16 : x
  2. Step 2: Convert to fraction form
    863,774.44/1,191,861.10 = 501,115.16/x
  3. Step 3: Cross multiply
    863,774.44x = 1,191,861.10 × 501,115.16
  4. Step 4: Simplify right side
    863,774.44x = 597,259,669,430.32
  5. Step 5: Solve for x
    x = 597,259,669,430.32/863,774.44
  6. Step 6: Final answer
    x = 691,453.28

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Double scale
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1.5x scale

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.