Home / 719,533.89-1,079,286.01-239,796.53

Finding the Fourth Proportional to 719,533.89, 1,079,286.01 and 239,796.53

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Solution

The fourth proportional to 719,533.89, 1,079,286.01 and 239,796.53 is: 359,689.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,533.89 : 1,079,286.01 = 239,796.53 : x
  2. Step 2: Convert to fraction form
    719,533.89/1,079,286.01 = 239,796.53/x
  3. Step 3: Cross multiply
    719,533.89x = 1,079,286.01 × 239,796.53
  4. Step 4: Simplify right side
    719,533.89x = 258,809,040,319.12
  5. Step 5: Solve for x
    x = 258,809,040,319.12/719,533.89
  6. Step 6: Final answer
    x = 359,689.86

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1.5x scale

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.