Home / 451,931.07-623,644.04-247,977.03

Finding the Fourth Proportional to 451,931.07, 623,644.04 and 247,977.03

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Solution

The fourth proportional to 451,931.07, 623,644.04 and 247,977.03 is: 342,196.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,931.07 : 623,644.04 = 247,977.03 : x
  2. Step 2: Convert to fraction form
    451,931.07/623,644.04 = 247,977.03/x
  3. Step 3: Cross multiply
    451,931.07x = 623,644.04 × 247,977.03
  4. Step 4: Simplify right side
    451,931.07x = 154,649,395,576.52
  5. Step 5: Solve for x
    x = 154,649,395,576.52/451,931.07
  6. Step 6: Final answer
    x = 342,196.87

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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.