Home / 1,157,857.88-1,737,470.46-645,953

Finding the Fourth Proportional to 1,157,857.88, 1,737,470.46 and 645,953

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Solution

The fourth proportional to 1,157,857.88, 1,737,470.46 and 645,953 is: 969,310.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,857.88 : 1,737,470.46 = 645,953 : x
  2. Step 2: Convert to fraction form
    1,157,857.88/1,737,470.46 = 645,953/x
  3. Step 3: Cross multiply
    1,157,857.88x = 1,737,470.46 × 645,953
  4. Step 4: Simplify right side
    1,157,857.88x = 1,122,324,256,048.38
  5. Step 5: Solve for x
    x = 1,122,324,256,048.38/1,157,857.88
  6. Step 6: Final answer
    x = 969,310.89

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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.