Home / 1,398,286.60-2,097,948.30-557,441.80

Finding the Fourth Proportional to 1,398,286.60, 2,097,948.30 and 557,441.80

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Solution

The fourth proportional to 1,398,286.60, 2,097,948.30 and 557,441.80 is: 836,369.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,398,286.60 : 2,097,948.30 = 557,441.80 : x
  2. Step 2: Convert to fraction form
    1,398,286.60/2,097,948.30 = 557,441.80/x
  3. Step 3: Cross multiply
    1,398,286.60x = 2,097,948.30 × 557,441.80
  4. Step 4: Simplify right side
    1,398,286.60x = 1,169,484,076,658.94
  5. Step 5: Solve for x
    x = 1,169,484,076,658.94/1,398,286.60
  6. Step 6: Final answer
    x = 836,369.37

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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.