Home / 864,576.23-1,193,216.40-719,125.40

Finding the Fourth Proportional to 864,576.23, 1,193,216.40 and 719,125.40

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Solution

The fourth proportional to 864,576.23, 1,193,216.40 and 719,125.40 is: 992,477.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,576.23 : 1,193,216.40 = 719,125.40 : x
  2. Step 2: Convert to fraction form
    864,576.23/1,193,216.40 = 719,125.40/x
  3. Step 3: Cross multiply
    864,576.23x = 1,193,216.40 × 719,125.40
  4. Step 4: Simplify right side
    864,576.23x = 858,072,220,936.56
  5. Step 5: Solve for x
    x = 858,072,220,936.56/864,576.23
  6. Step 6: Final answer
    x = 992,477.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.