Home / 731,922.30-1,097,883.45-519,345.90

Finding the Fourth Proportional to 731,922.30, 1,097,883.45 and 519,345.90

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Solution

The fourth proportional to 731,922.30, 1,097,883.45 and 519,345.90 is: 779,018.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,922.30 : 1,097,883.45 = 519,345.90 : x
  2. Step 2: Convert to fraction form
    731,922.30/1,097,883.45 = 519,345.90/x
  3. Step 3: Cross multiply
    731,922.30x = 1,097,883.45 × 519,345.90
  4. Step 4: Simplify right side
    731,922.30x = 570,181,268,435.36
  5. Step 5: Solve for x
    x = 570,181,268,435.36/731,922.30
  6. Step 6: Final answer
    x = 779,018.85

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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.