Home / 455,433.28-683,072.48-122,931.52

Finding the Fourth Proportional to 455,433.28, 683,072.48 and 122,931.52

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Solution

The fourth proportional to 455,433.28, 683,072.48 and 122,931.52 is: 184,376.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,433.28 : 683,072.48 = 122,931.52 : x
  2. Step 2: Convert to fraction form
    455,433.28/683,072.48 = 122,931.52/x
  3. Step 3: Cross multiply
    455,433.28x = 683,072.48 × 122,931.52
  4. Step 4: Simplify right side
    455,433.28x = 83,971,138,236.57
  5. Step 5: Solve for x
    x = 83,971,138,236.57/455,433.28
  6. Step 6: Final answer
    x = 184,376.38

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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.