Home / 455,934.69-683,915.87-156,410.93

Finding the Fourth Proportional to 455,934.69, 683,915.87 and 156,410.93

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Solution

The fourth proportional to 455,934.69, 683,915.87 and 156,410.93 is: 234,621.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,934.69 : 683,915.87 = 156,410.93 : x
  2. Step 2: Convert to fraction form
    455,934.69/683,915.87 = 156,410.93/x
  3. Step 3: Cross multiply
    455,934.69x = 683,915.87 × 156,410.93
  4. Step 4: Simplify right side
    455,934.69x = 106,971,919,369.28
  5. Step 5: Solve for x
    x = 106,971,919,369.28/455,934.69
  6. Step 6: Final answer
    x = 234,621.15

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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.