Home / 731,867.40-1,097,238.30-371,742.36

Finding the Fourth Proportional to 731,867.40, 1,097,238.30 and 371,742.36

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Solution

The fourth proportional to 731,867.40, 1,097,238.30 and 371,742.36 is: 557,327.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,867.40 : 1,097,238.30 = 371,742.36 : x
  2. Step 2: Convert to fraction form
    731,867.40/1,097,238.30 = 371,742.36/x
  3. Step 3: Cross multiply
    731,867.40x = 1,097,238.30 × 371,742.36
  4. Step 4: Simplify right side
    731,867.40x = 407,889,955,124.39
  5. Step 5: Solve for x
    x = 407,889,955,124.39/731,867.40
  6. Step 6: Final answer
    x = 557,327.67

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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.