Home / 712,222.56-1,068,464.16-357,481.44

Finding the Fourth Proportional to 712,222.56, 1,068,464.16 and 357,481.44

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Solution

The fourth proportional to 712,222.56, 1,068,464.16 and 357,481.44 is: 536,287.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,222.56 : 1,068,464.16 = 357,481.44 : x
  2. Step 2: Convert to fraction form
    712,222.56/1,068,464.16 = 357,481.44/x
  3. Step 3: Cross multiply
    712,222.56x = 1,068,464.16 × 357,481.44
  4. Step 4: Simplify right side
    712,222.56x = 381,956,106,505.19
  5. Step 5: Solve for x
    x = 381,956,106,505.19/712,222.56
  6. Step 6: Final answer
    x = 536,287.57

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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.