Home / 623,115.68-934,006.08-445,082.72

Finding the Fourth Proportional to 623,115.68, 934,006.08 and 445,082.72

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Solution

The fourth proportional to 623,115.68, 934,006.08 and 445,082.72 is: 667,147.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,115.68 : 934,006.08 = 445,082.72 : x
  2. Step 2: Convert to fraction form
    623,115.68/934,006.08 = 445,082.72/x
  3. Step 3: Cross multiply
    623,115.68x = 934,006.08 × 445,082.72
  4. Step 4: Simplify right side
    623,115.68x = 415,709,966,582.94
  5. Step 5: Solve for x
    x = 415,709,966,582.94/623,115.68
  6. Step 6: Final answer
    x = 667,147.34

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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.