Home / 649,330.08-895,813.50-431,644.02

Finding the Fourth Proportional to 649,330.08, 895,813.50 and 431,644.02

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Solution

The fourth proportional to 649,330.08, 895,813.50 and 431,644.02 is: 595,494.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,330.08 : 895,813.50 = 431,644.02 : x
  2. Step 2: Convert to fraction form
    649,330.08/895,813.50 = 431,644.02/x
  3. Step 3: Cross multiply
    649,330.08x = 895,813.50 × 431,644.02
  4. Step 4: Simplify right side
    649,330.08x = 386,672,540,310.27
  5. Step 5: Solve for x
    x = 386,672,540,310.27/649,330.08
  6. Step 6: Final answer
    x = 595,494.58

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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.