Home / 731,889.44-1,097,169.86-542,120.72

Finding the Fourth Proportional to 731,889.44, 1,097,169.86 and 542,120.72

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Solution

The fourth proportional to 731,889.44, 1,097,169.86 and 542,120.72 is: 812,689.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,889.44 : 1,097,169.86 = 542,120.72 : x
  2. Step 2: Convert to fraction form
    731,889.44/1,097,169.86 = 542,120.72/x
  3. Step 3: Cross multiply
    731,889.44x = 1,097,169.86 × 542,120.72
  4. Step 4: Simplify right side
    731,889.44x = 594,798,507,285.52
  5. Step 5: Solve for x
    x = 594,798,507,285.52/731,889.44
  6. Step 6: Final answer
    x = 812,689.02

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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.