Home / 964,100.31-1,445,697.21-356,468.81

Finding the Fourth Proportional to 964,100.31, 1,445,697.21 and 356,468.81

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Solution

The fourth proportional to 964,100.31, 1,445,697.21 and 356,468.81 is: 534,535.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,100.31 : 1,445,697.21 = 356,468.81 : x
  2. Step 2: Convert to fraction form
    964,100.31/1,445,697.21 = 356,468.81/x
  3. Step 3: Cross multiply
    964,100.31x = 1,445,697.21 × 356,468.81
  4. Step 4: Simplify right side
    964,100.31x = 515,345,956,840.53
  5. Step 5: Solve for x
    x = 515,345,956,840.53/964,100.31
  6. Step 6: Final answer
    x = 534,535.62

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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.