Home / 936,560.56-1,291,376.18-691,899.30

Finding the Fourth Proportional to 936,560.56, 1,291,376.18 and 691,899.30

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Solution

The fourth proportional to 936,560.56, 1,291,376.18 and 691,899.30 is: 954,025.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,560.56 : 1,291,376.18 = 691,899.30 : x
  2. Step 2: Convert to fraction form
    936,560.56/1,291,376.18 = 691,899.30/x
  3. Step 3: Cross multiply
    936,560.56x = 1,291,376.18 × 691,899.30
  4. Step 4: Simplify right side
    936,560.56x = 893,502,274,978.67
  5. Step 5: Solve for x
    x = 893,502,274,978.67/936,560.56
  6. Step 6: Final answer
    x = 954,025.09

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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.