Home / 769,214.62-1,061,516.13-429,682.87

Finding the Fourth Proportional to 769,214.62, 1,061,516.13 and 429,682.87

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Solution

The fourth proportional to 769,214.62, 1,061,516.13 and 429,682.87 is: 592,962.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,214.62 : 1,061,516.13 = 429,682.87 : x
  2. Step 2: Convert to fraction form
    769,214.62/1,061,516.13 = 429,682.87/x
  3. Step 3: Cross multiply
    769,214.62x = 1,061,516.13 × 429,682.87
  4. Step 4: Simplify right side
    769,214.62x = 456,115,297,289.69
  5. Step 5: Solve for x
    x = 456,115,297,289.69/769,214.62
  6. Step 6: Final answer
    x = 592,962.34

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1.5x scale

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.