Home / 964,145.15-1,445,198.05-356,543.03

Finding the Fourth Proportional to 964,145.15, 1,445,198.05 and 356,543.03

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Solution

The fourth proportional to 964,145.15, 1,445,198.05 and 356,543.03 is: 534,437.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,145.15 : 1,445,198.05 = 356,543.03 : x
  2. Step 2: Convert to fraction form
    964,145.15/1,445,198.05 = 356,543.03/x
  3. Step 3: Cross multiply
    964,145.15x = 1,445,198.05 × 356,543.03
  4. Step 4: Simplify right side
    964,145.15x = 515,275,291,697.09
  5. Step 5: Solve for x
    x = 515,275,291,697.09/964,145.15
  6. Step 6: Final answer
    x = 534,437.47

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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.